SPY Bull Call Spread — 2026-08-21

SPY (State Street SPDR S&P 500 ETF Trust) shows bullish unusual options activity: $30904K of buyer-initiated unusual call flow (45% call-dominant) detected across near-term expirations, with a peak vol/OI ratio of 6.4x on the 740 call. IV rank is 49 (moderate) — a bull call spread (739/740) trims theta/vega bleed versus a naked long. Buy the $739 / sell the $740 call bull call spread expiring 2026-08-21 (25 DTE) for a net debit of $0.62 ($62 per spread). Breakeven at $739.62; net delta 0.01.

Underlying: SPY @ ~$739.00 | 2026-08-21 (25 DTE) | Net debit (entry): ~$62 per spread. Use limit orders at the mid or slightly worse.

MAX LOSS: Limited to the net debit ($62 per spread). Max gain is capped at the strike width minus the debit — a defined-risk, defined-reward trade. | IV RISK: IV rank is 49 — reasonable for a debit spread. | TIMING: 25 DTE — unusual flow is a near-term signal; act promptly or the setup may stale. Close or take profit before expiration week to avoid gamma risk. | SECTOR: SPY is in ETF — avoid concentration with other open ETF positions. | EXECUTION: Use limit orders at mid or slightly worse on the spread (don't leg in). Verify the bid-ask before sending; do not chase with market orders. | EVENTS: Check for upcoming earnings, FDA decisions, or macro prints within the trade window that could cause outsized gap risk.