Brazil's election is a true coin flip this Sunday — don't pick a side, trade the volatility

Verdict: a sharp thesis, but the executable setup points the wrong way

The core idea is compelling: with the Datafolha runoff dead even (Reuters, Oct 22) and a crowded 'Bolsonaro trade' on Brazilian assets (Bloomberg, Oct 23), owning volatility rather than picking a side is structurally sensible — but no robust parameter setup was established here because the rule set could not be backtested, and the attached long-only breakout entries express a directional bet, the opposite of the thesis. The strongest point for the idea is that a coin-flip with one-sided consensus makes a large move in either direction likely. The strongest point against is the setup mismatch: long-only momentum entries with a 2% stop cannot survive an election gap and would not monetize a Lula win, so the mechanics do not implement the stated exposure. ITUB's fundamentals cut both ways — FY2024 net income up 24.1% to R$41.1B with ROE rising to 19.5%, but free cash flow down about 93% to R$5.2B — and provisional ownership filings (period ending 2026-09-30) show about $1.1M of net insider selling. Wait until a volatility-expressing structure is actually specified and keying events, such as the next poll, are dated.

Trade now: the volatility thesis is intact, but today's long-entry signals are incomplete — and the rule set can't express the trade

The idea itself argues for not picking a side: with the Datafolha poll showing a dead-heat (per the idea's thesis), it favors owning volatility around the Brazilian election and exiting quickly once the result resolves. That is an options-style, direction-neutral stance. The important mismatch to flag before anything else: the attached rule set is a set of long-only breakout entries on EWZ and ITUB, which expresses a directional bet — the opposite of the thesis. So the business thesis (own volatility in a coin-flip with crowded positioning) may be attractive on its own logic, but the research cannot yet confirm either half of the decision. One scope note: this rule set's historical performance was not measured because ITUB's raw and adjusted price series are on different bases, so there is no evidence that the long entries or the 2% stop / 4% take-profit parameters work as intended. What would have to be true to act on the long rules: for each ticker, the daily close above the upper Bollinger band (a 20-day volatility envelope), ADX (a trend-strength gauge) above 25, RSI (a 0–100 momentum gauge) above 55, and ATR (average daily range) above 1.5 — all at once. As of the latest daily observations (computed 2026-10-25 04:40 UTC), EWZ closed at $42.59, above its Bollinger value of $41.22 with ADX at 30.6 and RSI at 59.3 — three of four conditions met. ITUB closed at $9.72, above its Bollinger value of $8.77 with RSI at 70.0, but ADX at 24.9 is just below 25. Critically, the ATR reading is unavailable for both tickers, so no entry is confirmed live. "Wait" here means waiting for a full session close with all four conditions met on the relevant ticker — not buying on three out of four. The downside that matters is twofold: even if the long entries trigger, the election outcome itself can gap prices through the $-2% stop rule (the rule set's stop levels), and a Lula win would, per the thesis, hit EWZ and ITUB hard — the exact scenario a long-only breakout rule has no defense against. Until the volatility-expressing version of the trade is actually specified and its history can be measured, the honest answer is: thesis interesting, executable setup incomplete. ### Technical details - EWZ (1d, as of 2026-10-25 04:40 UTC): close $42.59; upper Bollinger (20) $41.22, met with price $1.37 above it; ADX (14) 30.6 vs. threshold 25, met; RSI (14) 59.3 vs. threshold 55, met; ATR (14) value unavailable vs. threshold 1.5 — status unknown. Entry 1 and Entry 2 long rules are 3/4 met, not triggered. - ITUB (1d, same observation time): close $9.72; upper Bollinger (20) $8.77, met ($0.95 above); ADX (14) 24.9 vs. 25 — near, not met; RSI (14) 70.0 vs. 55, met; ATR (14) unavailable vs. 1.5 — status unknown. 2/4 confirmed, 1 near, 1 unknown. - Position sizing per the rule set: fixed-risk method at 2% risk per position, maximum 25% of capital per position. - Exits as specified: fixed 2% stop and fixed 4% take-profit on unrealized P&L; a 30-bar time exit; trailing take-profits at the 127.2% Fibonacci extension or when price reaches the second-ranked resistance level (nearest for EWZ: $43.00 resistance, $42.01 support); stop-loss if the close crosses below first-rank support. - Reward:risk on the fixed rules is 4% gain vs. 2% loss, i.e., 2:1 — but this ratio is only as good as the unmeasured rule set behind it. - Context for the level of these instruments: over the trailing two years EWZ returned 21.5% annualized with 27.4% simple annualized volatility and a 21.5% max drawdown; ITUB returned 29.6% annualized with 32.8% volatility and a 25.1% max drawdown. EWZ's trailing twelve-month dividends are $1.46 per share; ITUB's are $0.003 per share.

A Coin-Flip Election With One-Sided Positioning Is the Ideal Setup for Volatility

Takeaway: the idea's core logic — crowded consensus plus a genuine polling coin-flip — is structurally sound, and the available fundamentals on Brazil's largest private bank show enough earnings strength that a market-friendly outcome would have real fundamental fuel behind the rally. ### The polling setup is genuinely two-sided The latest Datafolha poll shows Flavio Bolsonaro and Lula about even ahead of the runoff (Reuters, Oct 22), and Bloomberg reported on Oct 23 that the 'Bolsonaro trade' — the crowded bank-strategist bet on Brazilian assets — faces a reckoning in a too-close-to-call vote. When consensus is positioned one way and the outcome is near 50/50, the distribution is asymmetric in a specific way: a market-friendly win forces crowded longs to add and shorts to cover, while a Lula win triggers forced unwinds. Either path produces a large move, which is exactly what a volatility-owning position is designed to monetize. The thesis does not require predicting the winner — only that the move is large, which crowded positioning plus a coin-flip makes likely. ### ITUB fundamentals give the bull scenario substance Itaú Unibanco, the dominant holding in the EWZ financial complex, grew FY2024 revenue 8.4% year over year to BRL 168.1B and lifted net income 24.1% to BRL 41.1B, with net margin expanding about 3.1 points to 24.4% and return on equity rising to 19.5% from 17.4%. That puts Itaú in the 87th percentile for ROE among 642 Financials peers. Interpretation: if the market-friendly outcome materializes, investors would be re-rating a bank that is already compounding earnings at its best pace in the reported series — the rally would not be purely sentiment-driven. ### The 'exit fast' discipline matches how election risk prices The idea's own framing — that election risk premiums deflate quickly once the…

Scores

• Conviction score breakdown: 49
• Thesis support: 70
• Trade readiness: 30
• Risk quality: 40
• Fundamentals trend: 55

Watch items

• EWZ — Full BB/ADX/RSI/ATR entry confirmation (daily close)
• ITUB — ADX (14) trend strength
• ITUB — Net insider open-market activity
• EWZ — Poll-driven gap risk versus the 2% fixed stop
• ITUB — Free cash flow trend (FY basis)