Mortgage rates spike and government debt costs spiral — hide in storage REITs

Verdict: backtested rules lose money — skip until evidence improves

The macro narrative is coherent — per the Yahoo Finance piece on mortgage rates hitting their highest since August and the Bloomberg report on Australian jobs surging 76,300, the idea argues that rising borrowing costs should drive capital into storage REITs. PSA backs that story with a 19.3% ROE in the 93rd percentile of Real Estate peers and manageable leverage at 1.11 debt-to-equity. But the entry rules have lost money in every tested window: -11.5% over 148 trades at a 41.2% win rate, with a 19.6% maximum drawdown. The 0.89 correlation between PSA and EXR means the two-name structure provides almost no diversification, and the 2% hard stop against a 4% target leaves razor-thin margin against daily volatility. No robust parameter setup was established, so the published thresholds stand as-is. The thesis is interesting but the execution rules are not yet tradeable. **Conviction breakdown:** Backtest evidence scores poorly given the negative returns across both evaluation windows. Thesis support is moderate — the macro catalysts are real and the cited news supports the directional call. Risk quality is weak due to the near-singular correlation and thin stops. Fundamentals are mixed: PSA is strong, but EXR's -6.1% gross margin and 7.3% ROE lag behind. Trade readiness is low — RSI sits 3.3 points above entry on both names and EXR needs ADX to nearly triple.

Trade now

**Do not enter today.** The strategy's primary entry path requires RSI (14) below 40 and ADX (14) above 20, and neither name is there yet. PSA closed at $313.95 with RSI at 43.3 — 3.3 points above the entry threshold — while EXR closed at $144.72 with RSI at 43.3, needing a similar drop. EXR also has ADX at only 7.0, well below the 20 level required for a confirmed trend, putting two conditions out of range. PSA is closer on trend strength with ADX at 24.0, but still needs RSI to fall below 40. If the strategy triggers, the stop is a hard 2% loss (exit rule 5) and the profit target is 4% (exit rule 6), producing an effective reward-to-risk ratio of 2-to-1. For PSA at $313.95, that translates to a stop near $295 and a target near $327. For EXR at $144.72, the stop sits around $142 and the target around $151. The 30-bar time limit adds a second exit path: any open position closes at day 30 regardless of P&L. "Wait" means exactly this: monitor daily closes for RSI to drop below 40 on either PSA or EXR, and for EXR specifically, watch for ADX to rise above 20 to confirm trend strength. The backtest on this rule set produced a 41.2% win rate across 148 trades with a 19.6% max drawdown and a net return of -11.5% over the 60-month window — meaning the setup is currently waiting for conditions that have historically been unprofitable on average. No robust parameter setup was established by the sensitivity analysis (the evaluation exceeded its time budget), so these are the published thresholds without optimization. The thesis itself argues that a $40 trillion government debt burden, oil-driven inflation, and rising mortgage rates should drive investors into storage REITs for defensive stability. The numbers, however, show PSA up 3.0% annualized over the past two years while EXR is down 5.6% annualized — and the strategy's own backtest returned negative. The idea is coherent narratively, but the backtested evidence does not support aggressive positioning when triggers fire.

Why the defensive storage thesis has fundamental traction

The idea's core argument is that rising mortgage rates and structural debt costs push investors toward defensive real estate with inflation-linked revenue. The cited Yahoo Finance article on mortgage rates hitting their highest level since August supports the immediate catalyst: if homebuyers are frozen, the thesis expects capital to rotate into storage REITs. Public Storage (PSA) offers a $4.82B revenue base growing 2.7% year-over-year, with a return on equity of 19.3% that places it in the 93rd percentile of its Real Estate peer group. That…

Scores

• Conviction score breakdown: 33
• Thesis support: 55
• Trade readiness: 20
• Risk quality: 25
• Backtest evidence: 20
• Fundamentals trend: 45

Watch items

• PSA — RSI (14)
• PSA — ADX (14)
• EXR — RSI (14)
• EXR — ADX (14)
• PSA — RSI (14)
• EXR — RSI (14)
• EXR — RSI (14) below 40
• EXR — ADX (14) above 20
• EXR — Donchian (20) above 1