■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 26 — is the max pain price.
Open interest by strike · Fri, Jan 15
■ calls (up)■ puts (down)GEN open contracts per strike for Fri, Jan 15.
Open-interest change — building vs unwinding
Needs two observed snapshot days for this expiration — the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Jan 15
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Jan 15
— call IV— put IVATM ≈ 35.8% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Jan 15
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Fri, Jan 15
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.87
-0.01
21
0.0252
0.04
-0.01
-0.14
0.85
-0.01
22
0.0301
0.04
-0.01
-0.16
0.82
-0.01
23
0.0357
0.05
-0.01
-0.19
0.78
-0.01
24
0.0421
0.05
-0.01
-0.23
0.74
-0.01
25
0.0490
0.06
-0.01
-0.27
0.69
-0.01
26
0.0559
0.06
-0.01
-0.33
0.63
-0.01
27
0.0620
0.07
-0.01
-0.39
0.56
-0.01
28
0.0666
0.07
-0.01
-0.45
0.50
-0.01
29
0.0689
0.07
-0.01
-0.53
0.43
-0.01
30
0.0687
0.07
-0.01
-0.59
0.37
-0.01
31
0.0663
0.07
-0.01
-0.66
0.31
-0.01
32
0.0621
0.06
-0.01
-0.72
0.26
-0.01
33
0.0569
0.06
-0.01
-0.78
0.22
-0.01
34
0.0513
0.05
-0.01
-0.83
0.19
-0.01
35
0.0457
0.05
-0.01
-0.87
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 22 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.