thetaOwl

SPY

SPDR S&P 500 ETFClose $741.25EOD only
Max Pain
$736.00
Next expiry May 21, 2026
Expected Move
±$5.88
0.8% from close
Price Gap
-5.25
Distance to max pain
IV Rank
19
Low premium
P/C OI
2.47
Slightly put-heavy
Consensus
9.0/10
Bullish tilt
Published snapshot: May 20, 2026 close
End-of-day snapshot

This page reflects SPY options positioning from the latest published market-close snapshot. Intraday price and contract changes are not displayed.

Published Snapshot
May 20, 2026 close
SPY Flow Report
Analysis based on market close March 26, 2026

Historical consensus-supported lens with full content, report chain context, and metric rail.

You are viewing an older report from March 26, 2026. A newer flow report is available for May 20, 2026.

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Flow Verdict

BiasBearish
Confirmation: Spot fails to reclaim $657 max pain and net premium remains deeply negative
Invalidation: Spot rallies above $657 on heavy call buying with net premium flipping positive
Confidence:
8 / 10
base 5; +2.5 massive net put premium (-$1.92B) & GEX alignment; +0.5 P/C OI extreme (1.92); +0.5 spot below MP and moving away; -0.5 low IV (20.8%) suggests some complacency

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

Aggressive put premium buying dominates, creating a massive negative net premium. The flow is bearish and defensive, with positioning heavily skewed to puts. The market is paying significant premiums for downside protection near-term, overriding typical max pain pin mechanics.

Notable Prints

#1
SPY 3/26 $652 Call
Vol: 364,043
OI: 2,136
Vol/OI: 170.4x
IV: 9.6%
Notional: ~$25.4M (Premium Flow)
Intent: Short call (sold) as part of a bear call spread or covered write
Dual read: Sold (bearish/neutral) or bought (bullish breakout)

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.

#2
SPY 3/26 $649 Put
Vol: 277,611
OI: 3,326
Vol/OI: 83.5x
IV: 0.0%
Notional: ~$131.3M (Premium Flow)
Intent: Long put (bought) for downside protection or delta-hedging
Dual read: Bought (bearish) or sold (bullish)

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.

#3
SPY 3/26 $650 Call
Vol: 290,640
OI: 2,104
Vol/OI: 138.1x
IV: 7.6%
Notional: ~$20.98M (Premium Flow)
Intent: Short call (sold) for premium income
Dual read: Sold (bearish/neutral) or bought (bullish)

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.

#4
SPY 3/26 $654 Call
Vol: 238,305
OI: 1,540
Vol/OI: 154.7x
IV: 11.9%
Notional: ~$15.38M (Premium Flow)
Intent: Short call (sold) as part of a bear call spread or covered write
Dual read: Sold (bearish/neutral) or bought (bullish)

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.

#5
SPY 3/26 $651 Call
Vol: 292,179
OI: 750
Vol/OI: 389.6x
IV: 8.9%
Notional: ~$20.98M (Premium Flow)
Intent: Short call (sold), likely closing or rolling
Dual read: Sold (bearish/neutral) or bought (bullish)

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

~High-volume, low-IV (0%) $649 Puts are ITM hedging/position closing, not a new directional signal, but they confirm large bearish delta.
~Massive volume in 3/26 weekly calls (e.g., $648C 294K vol) is likely short covering or MM delta-hedging against the put flow, not bullish initiation.
~The $460 and $465 Call premium is from far OTM, low-dollar calls—likely lottery tickets or spread legs, not meaningful directional bets for near-term price action.
~$549 Call premium is also far OTM and not relevant to near-term price action.

Key Conclusions

🐻Net premium flow overwhelmingly bearish (-$1.9B), dominated by put buying/call selling
Negative GEX (-$3.1B) in trending regime will amplify any downward move
🧱Call walls at $650-$654 from premium selling cap near-term rallies
📍Spot below max pain ($645 vs $657) but moving away, suggesting strong directional bearish force overriding pin
How to Use These Reports
This flow reflects the market close on March 26, 2026.
What the reports do

Each report translates the same market-close options snapshot into a specific lens such as directional bias, premium-selling posture, flow quality, or earnings setup.

How traders use them

Reports are most useful for narrowing the playbook, surfacing entry and risk context, and deciding which raw data page to inspect next.

What to remember

These are interpretation layers, not execution guarantees. Validate the setup against chain liquidity, expected move, and exposure before sizing risk.

If the report conviction and the raw data disagree, slow down and resolve the mismatch before sizing risk.