RBLX Confirmed Breakdown Short Strategy
Created
Thesis
Roblox's 30% rally since July was built on optimistic booking assumptions, and Jefferies' downgrade to underperform gives a concrete catalyst for that trade to unwind. When the headline indexes are masking a market straining under high oil prices, climbing bond yields, and a Fed bracing for more hikes, expensive growth stories tend to give back gains fastest. The seasonal tailwind many investors count on for November-April looks unreliable this year, removing the usual support that would rescue an over-extended stock. Together, an overvalued single name plus a cracking broad rally plus a missing seasonal safety net makes a short-Roblox trade the cleanest expression of this setup.
Strategy approach
Roblox's 30% rally since July was built on optimistic booking assumptions, and Jefferies' downgrade to underperform gives a concrete catalyst for that trade to unwind. When the headline indexes are masking a market straining under high oil prices, climbing bond yields, and a Fed bracing for more hikes, expensive growth stories tend to give back gains fastest. The seasonal tailwind many investors count on for November-April looks unreliable this year, removing the usual support that would rescue an over-extended stock. Together, an overvalued single name plus a cracking broad rally plus a missing seasonal safety net makes a short-Roblox trade the cleanest expression of this setup. Decision analysis profile: near_term. Required dimensions: as_of_session, catalyst_timing,…
Markets and timeframes
Latest published rule evaluation
Evaluated . This is a dated rule snapshot, not a live price or trade execution confirmation.
RBLX · 1d
1 of 4 published entry conditions marked met.
- Price crossed above EMA (20) — far
- EMA (20) below EMA (50) — near
- MACD (12,26,9) below 0 — far
- ADX (14) above 20 — met
SPY · 1d
0 of 4 published entry conditions marked met.
- Price crossed above EMA (20) — near
- EMA (20) below EMA (50) — near
- MACD (12,26,9) below 0 — far
- ADX (14) above 20 — far
Entry and exit at a glance
These are the named rules in the shared configuration. Review the full conditions below before using a strategy.
- Entry: EMA/MACD/ADX Crossover Long (RBLX@1d) (4 conditions)
- Entry: EMA/MACD/ADX Crossover Long (SPY@1d) (4 conditions)
- Exit: Position Exit Rule (1 condition)
- Exit: SL: Below Support[2] (RBLX@1d) (1 condition)
- Exit: SL: Below Support[2] (SPY@1d) (1 condition)
- Exit: SL: Fib Retracement 61.8% (RBLX@1d) (1 condition)
- Exit: SL: Fib Retracement 61.8% (SPY@1d) (1 condition)
- Exit: Stop Loss at 2.5% (1 condition)
- Exit: Take Profit at 5.0% (1 condition)
- Exit: SL: Fib Retracement 50.0% (RBLX@1d) (2 conditions)
- Exit: SL: Fib Retracement 50.0% (SPY@1d) (2 conditions)
Shared strategy rules
Rule configuration
{
"data_dependencies": [
{
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
{
"symbol": "STOCK:SPY",
"timeframe": "1d"
}
],
"entry_rules": [
{
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_above",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 50
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "histogram",
"indicator": {
"fast": 12,
"name": "macd",
"signal": 9,
"slow": 26
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"type": "constant",
"value": 0
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "adx",
"indicator": {
"name": "adx",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 20
}
}
],
"direction": "long",
"enabled": true,
"id": "entry_1_rblx",
"name": "EMA/MACD/ADX Crossover Long (RBLX@1d)",
"priority": 1,
"trade_symbol": "STOCK:RBLX"
},
{
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_above",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 50
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "histogram",
"indicator": {
"fast": 12,
"name": "macd",
"signal": 9,
"slow": 26
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"type": "constant",
"value": 0
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "adx",
"indicator": {
"name": "adx",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 20
}
}
],
"direction": "long",
"enabled": true,
"id": "entry_1_spy",
"name": "EMA/MACD/ADX Crossover Long (SPY@1d)",
"priority": 2,
"trade_symbol": "STOCK:SPY"
}
],
"exit_rules": [
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "holding_period_bars",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 90
}
}
],
"enabled": true,
"id": "exit_1",
"name": "Position Exit Rule",
"priority": 1,
"purpose": "signal"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 2,
"type": "support_level"
}
}
],
"enabled": true,
"id": "exit_2_rblx",
"name": "SL: Below Support[2] (RBLX@1d)",
"priority": 96,
"purpose": "take_profit",
"target_symbol": "STOCK:RBLX"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 2,
"type": "support_level"
}
}
],
"enabled": true,
"id": "exit_2_spy",
"name": "SL: Below Support[2] (SPY@1d)",
"priority": 97,
"purpose": "take_profit",
"target_symbol": "STOCK:SPY"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"ratio": 618,
"type": "fibonacci_retracement"
}
}
],
"enabled": true,
"id": "exit_3_rblx",
"name": "SL: Fib Retracement 61.8% (RBLX@1d)",
"priority": 100,
"purpose": "stop_loss",
"target_symbol": "STOCK:RBLX"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"ratio": 618,
"type": "fibonacci_retracement"
}
}
],
"enabled": true,
"id": "exit_3_spy",
"name": "SL: Fib Retracement 61.8% (SPY@1d)",
"priority": 101,
"purpose": "stop_loss",
"target_symbol": "STOCK:SPY"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "less_than_or_equal",
"right": {
"type": "constant",
"value": -2.49875
}
}
],
"enabled": true,
"id": "exit_4",
"name": "Stop Loss at 2.5%",
"priority": 100,
"purpose": "stop_loss"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 4.9975000000000005
}
}
],
"enabled": true,
"id": "exit_5",
"name": "Take Profit at 5.0%",
"priority": 100,
"purpose": "take_profit"
},
{
"applies_to": "short",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"ratio": 500,
"type": "fibonacci_retracement"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_below",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"enabled": true,
"id": "exit_6_rblx",
"name": "SL: Fib Retracement 50.0% (RBLX@1d)",
"priority": 100,
"purpose": "stop_loss",
"target_symbol": "STOCK:RBLX"
},
{
"applies_to": "short",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"ratio": 500,
"type": "fibonacci_retracement"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_below",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"enabled": true,
"id": "exit_6_spy",
"name": "SL: Fib Retracement 50.0% (SPY@1d)",
"priority": 101,
"purpose": "stop_loss",
"target_symbol": "STOCK:SPY"
}
],
"position_sizing": {
"max_position_percent": 25,
"method": {
"fib_stop_ratio": 500,
"risk_percent": 2.49875,
"type": "fixed_risk"
},
"min_position_value": 100
},
"trigger_timeframe": "1d",
"version": 1
}Indicator configuration
{
"indicators": [
{
"name": "ema",
"period": 20
},
{
"name": "ema",
"period": 50
},
{
"fast": 12,
"name": "macd",
"signal": 9,
"slow": 26
},
{
"name": "adx",
"period": 14
},
{
"name": "ema",
"period": 20
},
{
"name": "ema",
"period": 50
},
{
"fast": 12,
"name": "macd",
"signal": 9,
"slow": 26
},
{
"name": "adx",
"period": 14
}
]
}Parsed strategy
{
"data_dependencies": [
{
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
{
"symbol": "STOCK:SPY",
"timeframe": "1d"
}
],
"entry_rules": [
{
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_above",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 50
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "histogram",
"indicator": {
"fast": 12,
"name": "macd",
"signal": 9,
"slow": 26
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"type": "constant",
"value": 0
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "adx",
"indicator": {
"name": "adx",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 20
}
}
],
"direction": "long",
"enabled": true,
"id": "entry_1_rblx",
"name": "EMA/MACD/ADX Crossover Long (RBLX@1d)",
"priority": 1,
"trade_symbol": "STOCK:RBLX"
},
{
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_above",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 20
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"indicator": {
"name": "ema",
"period": 50
},
"type": "indicator"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "histogram",
"indicator": {
"fast": 12,
"name": "macd",
"signal": 9,
"slow": 26
},
"type": "indicator"
},
"operator": "less_than",
"right": {
"type": "constant",
"value": 0
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "adx",
"indicator": {
"name": "adx",
"period": 14
},
"type": "indicator"
},
"operator": "greater_than",
"right": {
"type": "constant",
"value": 20
}
}
],
"direction": "long",
"enabled": true,
"id": "entry_1_spy",
"name": "EMA/MACD/ADX Crossover Long (SPY@1d)",
"priority": 2,
"trade_symbol": "STOCK:SPY"
}
],
"exit_rules": [
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "holding_period_bars",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 90
}
}
],
"enabled": true,
"id": "exit_1",
"name": "Position Exit Rule",
"priority": 1,
"purpose": "signal"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 2,
"type": "support_level"
}
}
],
"enabled": true,
"id": "exit_2_rblx",
"name": "SL: Below Support[2] (RBLX@1d)",
"priority": 96,
"purpose": "take_profit",
"target_symbol": "STOCK:RBLX"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"rank": 2,
"type": "support_level"
}
}
],
"enabled": true,
"id": "exit_2_spy",
"name": "SL: Below Support[2] (SPY@1d)",
"priority": 97,
"purpose": "take_profit",
"target_symbol": "STOCK:SPY"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"ratio": 618,
"type": "fibonacci_retracement"
}
}
],
"enabled": true,
"id": "exit_3_rblx",
"name": "SL: Fib Retracement 61.8% (RBLX@1d)",
"priority": 100,
"purpose": "stop_loss",
"target_symbol": "STOCK:RBLX"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"ratio": 618,
"type": "fibonacci_retracement"
}
}
],
"enabled": true,
"id": "exit_3_spy",
"name": "SL: Fib Retracement 61.8% (SPY@1d)",
"priority": 101,
"purpose": "stop_loss",
"target_symbol": "STOCK:SPY"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "less_than_or_equal",
"right": {
"type": "constant",
"value": -2.49875
}
}
],
"enabled": true,
"id": "exit_4",
"name": "Stop Loss at 2.5%",
"priority": 100,
"purpose": "stop_loss"
},
{
"applies_to": "both",
"conditions": [
{
"left": {
"field": "unrealized_pnl_percent",
"type": "position"
},
"operator": "greater_than_or_equal",
"right": {
"type": "constant",
"value": 4.9975000000000005
}
}
],
"enabled": true,
"id": "exit_5",
"name": "Take Profit at 5.0%",
"priority": 100,
"purpose": "take_profit"
},
{
"applies_to": "short",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"ratio": 500,
"type": "fibonacci_retracement"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:RBLX",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_below",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"enabled": true,
"id": "exit_6_rblx",
"name": "SL: Fib Retracement 50.0% (RBLX@1d)",
"priority": 100,
"purpose": "stop_loss",
"target_symbol": "STOCK:RBLX"
},
{
"applies_to": "short",
"conditions": [
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "less_than_or_equal",
"right": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"ratio": 500,
"type": "fibonacci_retracement"
}
},
{
"left": {
"chart_ref": {
"symbol": "STOCK:SPY",
"timeframe": "1d"
},
"field": "close",
"type": "price"
},
"operator": "crossed_below",
"right": {
"rank": 1,
"type": "resistance_level"
}
}
],
"enabled": true,
"id": "exit_6_spy",
"name": "SL: Fib Retracement 50.0% (SPY@1d)",
"priority": 101,
"purpose": "stop_loss",
"target_symbol": "STOCK:SPY"
}
],
"position_sizing": {
"max_position_percent": 25,
"method": {
"fib_stop_ratio": 500,
"risk_percent": 2.49875,
"type": "fixed_risk"
},
"min_position_value": 100
},
"trigger_timeframe": "1d",
"version": 1
}Strategy instructions
Trading agent generated from recommendation idea 'Roblox's 30% rally since July was built on optimistic booking assumptions, and Jefferies' downgrade to underperform gives a concrete catalyst for that trade to unwind. When the headline indexes are masking a market straining under high oil prices, climbin'. Thesis: Roblox's 30% rally since July was built on optimistic booking assumptions, and Jefferies' downgrade to underperform gives a concrete catalyst for that trade to unwind. When the headline indexes are masking a market straining under high oil prices, climbing bond yields, and a Fed bracing for more hikes, expensive growth stories tend to give back gains fastest. The seasonal tailwind many investors count on for November-April looks unreliable this year, removing the usual support that would rescue an over-extended stock. Together, an overvalued single name plus a cracking broad rally plus a missing seasonal safety net makes a short-Roblox trade the cleanest expression of this setup.
Performance
No trade count, win rate, or realized P&L figures are provided in this public preview. The thesis and shared rules do not establish a performance record.
What this public preview can establish
- The dated rule snapshot above shows the conditions evaluated at that time. It does not prove a current trigger or executed trade.
- Technical strategy fields are shared above. Inspect the actual conditions and check when they were evaluated before relying on them.
- No trade count, win rate, or P&L figure is published in this preview. It cannot establish a performance record.
Explore
How CommonQuant researches and tests strategies · Public paper-trading record and its limits · Discover public strategies