■ 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 — 330 — is the max pain price.
Open interest by strike · Fri, Sep 18
■ calls (up)■ puts (down)DELL open contracts per strike for Fri, Sep 18.
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, Sep 18
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Sep 18
— call IV— put IVATM ≈ 90.3% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Sep 18
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, Sep 18
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.76
-0.50
390
0.0021
0.50
-0.51
-0.24
0.74
-0.53
400
0.0022
0.53
-0.54
-0.26
0.71
-0.55
410
0.0023
0.55
-0.56
-0.29
0.69
-0.58
420
0.0024
0.57
-0.59
-0.32
0.66
-0.60
430
0.0025
0.59
-0.61
-0.34
0.63
-0.61
440
0.0026
0.61
-0.62
-0.37
0.60
-0.63
450
0.0026
0.62
-0.64
-0.40
0.58
-0.64
460
0.0027
0.63
-0.65
-0.42
0.55
-0.65
470
0.0027
0.64
-0.65
-0.45
0.52
-0.65
480
0.0027
0.64
-0.66
-0.48
0.47
-0.65
500
0.0027
0.64
-0.65
-0.53
0.36
-0.61
550
0.0025
0.60
-0.61
-0.65
0.34
-0.60
560
0.0025
0.59
-0.59
-0.67
0.26
-0.54
600
0.0022
0.52
-0.52
-0.74
0.23
-0.50
620
0.0021
0.49
-0.48
-0.78
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 60 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.