SPY
SPDR S&P 500 ETFClose $741.25EOD onlyThis page reflects SPY options positioning from the latest published market-close snapshot. Intraday price and contract changes are not displayed.
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You are viewing an older report from March 26, 2026. A newer flow report is available for May 20, 2026.
View latest reportFlow Verdict
Watch next session: $640 PUT OI (144K) for defense; Spot vs $657 Max Pain pin; Any call flow to challenge $650-$654 put walls
Flow Summary
Net premium: -$1.92B bearish
P/C volume ratio: 1.14 — put-dominant
P/C OI ratio: 1.92 — extreme put lean in positioning
Notable Prints
Read-through: Given the massive negative net premium at this strike (-$240M), this is almost certainly a short call. Sellers are collecting premium, capping upside near $652. The high volume vs. OI suggests new positioning, not just rolling.
Read-through: Zero IV indicates these are deep ITM puts, likely bought for delta-hedging or protective purposes. This is a large, direct bearish bet or hedge just $4 below spot, representing significant premium paid for protection.
Read-through: Another major premium seller strike. Net premium of -$205.9M confirms heavy short call flow, creating a layered resistance wall at $650 alongside $652.
Read-through: Net premium of -$192.8M confirms selling. This establishes another cap just above spot, part of a layered resistance from $649-$654 constructed via premium selling.
Read-through: Extremely high volume vs. low OI suggests this is trade closure or rolling. The negative net premium (-$205.9M) points to selling, reinforcing the bearish flow theme of call supply.
Institutional Positioning
Call additions: Minimal. Any call flow is heavily net sold, as seen in premium data at strikes $650-$654.
Put additions: Significant protective/long put buying at $649 (ITM) and massive OTM put OI concentrated at $535 (203K), $540 (154K), $630 (152K).
GEX/DEX consistency: Yes — strongly aligned. Negative GEX (-$3.1B) is pro-cyclical (trending regime), meaning dealers are short gamma and will amplify moves. This aligns perfectly with bearish flow and put buying.
OI clusters: Major PUT walls at $535 (203K OI), $540 (154K), $630 (152K). Major CALL walls at $650-$654 (constructed via premium selling). The $640 put also has 144K OI.
Hedging evidence: Clear and layered. Large ITM put buying at $649 for near-term protection, and massive OI in far OTM puts ($535-$540) suggests longer-term tail risk hedging. This is a defensive institutional posture.
Max pain context: Max Pain at $657, spot at $645.17 (1.8% below). Spot is being pulled *away* from max pain, suggesting strong directional selling pressure and put buying are overriding typical pin mechanics.
Signal vs Noise
Key Conclusions
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