Flow Trading: The JP Morgan Collar Pin
Break from war coverage. I came across this interview about the JP Morgan collar trade.
First time hearing about it, but the idea isn't new. JP Morgan runs a massive hedged equity fund that sells calls and buys puts on SPX to collar their equity exposure. SpotGamma explainer | MenthorQ breakdown
tl;dr: JP Morgan has ~32,000 SPX call contracts at 6,475 strike expiring today. Theory: Dealers hedging these positions create mechanical buying pressure that pins SPX to that strike on expiry.
I like to ask: "Assuming this is 100% true, how does it manifest in markets?"
Today: SPX should gravitate toward 6,475 by close.
Tomorrow: With the collar expiring, the "floor" disappears. SPX should trade lower without that mechanical support.
The Test Trade
I'm testing this with a call butterfly on SPY (cheaper proxy for SPX).
Structure:
- Buy 5x SPY 640 calls
- Sell 10x SPY 648 calls
- Buy 5x SPY 656 calls
- All expiring today (0DTE)
Why this structure: Maximum profit at SPY 648 (equivalent to ~6,475 on SPX). If SPX pins at 6,475, SPY should pin at 648. Call fly profits from landing exactly on the strike.
Entry: SPY ~640 at open (SPX ~6,403). Already at lower breakeven. Pre-market futures up +0.42%.
Thesis: Dealer gamma from JPM collar creates mechanical buying pressure as SPX approaches 6,475. End-of-quarter rebalancing adds fuel. No fundamental catalyst needed - pure mechanics.
If this works: SPY closes near 648, call fly profits, and I roll profits into short MES (micro S&P futures) for tomorrow, expecting the floor to disappear.
If this fails: SPX doesn't gravitate toward 6,475, suggesting either:
- The JPM collar theory is wrong
- The position size isn't large enough to matter
- Other flows overwhelm the pin effect
What I'm Watching
Intraday:
- Does SPX drift toward 6,475 regardless of news flow?
- Does it accelerate into the close (gamma effects strongest near expiry)?
Tomorrow:
- Does SPX trade weaker without the collar support?
- Is there a gap down or sustained selling?
This is a small test position to see if flow-based trades are worth pursuing more seriously. The war dominates headlines, but markets still have mechanics underneath.
Will update with results.