PUBM · PubMatic, Inc.

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$12.52 +0.22 (+1.75%) At close · Jul 24

Market Cap

$581.47M

46.44M

Options Chain

15-min delayed Underlying $12.52 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 18 contracts

Put / call OI

0.23

Call-heavy positioning

Open interest

1,366

contracts outstanding

Volume

106

traded today

Max pain

$12.50

$0.02 below spot

ATM implied vol

95.8%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Oct 16 82d Jan 15 173d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	413.2%	0.979	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 413.2% Delta 0.979 ≈98% ITM Gamma 0.004 Theta -0.014 Vega 0.002 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	220.8%	0.969	—		—	—	—	—	0
Call · $5 In the money Last — Breakeven — Implied vol 220.8% Delta 0.969 ≈97% ITM Gamma 0.01 Theta -0.011 Vega 0.002 Open interest 0 Model this call Put · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	143.9%	0.937	—		$0.15	-0.067	147.2%	1	1
Call · $7.5 In the money Last — Breakeven — Implied vol 143.9% Delta 0.937 ≈94% ITM Gamma 0.026 Theta -0.012 Vega 0.004 Open interest 0 Model this call Put · $7.5 Last $0.15 Breakeven $7.35 Implied vol 147.2% Delta -0.067 ≈7% ITM Gamma 0.026 Theta -0.012 Vega 0.004 Open interest 1 Model this put
66	1	105.6%	0.828	$3.45		$0.35	-0.161	98.7%	1	21
Call · $10 In the money Last $3.45 Breakeven $13.45 Implied vol 105.6% Delta 0.828 ≈83% ITM Gamma 0.073 Theta -0.018 Vega 0.008 Open interest 66 Model this call Put · $10 Last $0.35 Breakeven $9.65 Implied vol 98.7% Delta -0.161 ≈16% ITM Gamma 0.074 Theta -0.015 Vega 0.008 Open interest 21 Model this put
142	11	93.9%	0.557	$1.70		$1.15	-0.443	97.8%	3	225
Call · $12.5 In the money Last $1.70 Breakeven $14.20 Implied vol 93.9% Delta 0.557 ≈56% ITM Gamma 0.128 Theta -0.025 Vega 0.013 Open interest 142 Model this call Put · $12.5 Last $1.15 Breakeven $11.35 Implied vol 97.8% Delta -0.443 ≈44% ITM Gamma 0.123 Theta -0.025 Vega 0.013 Open interest 225 Model this put
Underlying $12.52
750	44	83.6%	0.248	$0.45		$2.40	-0.725	93.6%	12	12
Call · $15 Last $0.45 Breakeven $15.45 Implied vol 83.6% Delta 0.248 ≈25% ITM Gamma 0.114 Theta -0.017 Vega 0.01 Open interest 750 Model this call Put · $15 In the money Last $2.40 Breakeven $12.60 Implied vol 93.6% Delta -0.725 ≈73% ITM Gamma 0.109 Theta -0.019 Vega 0.013 Open interest 12 Model this put
110	1	102.2%	0.142	$0.21		—	-0.895	91.7%	—	0
Call · $17.5 Last $0.21 Breakeven $17.71 Implied vol 102.2% Delta 0.142 ≈14% ITM Gamma 0.065 Theta -0.015 Vega 0.007 Open interest 110 Model this call Put · $17.5 In the money Last — Breakeven — Implied vol 91.7% Delta -0.895 ≈90% ITM Gamma 0.062 Theta -0.01 Vega 0.007 Open interest 0 Model this put
36	31	112.5%	0.08	$0.10		—	-0.937	106.7%	—	0
Call · $20 Last $0.10 Breakeven $20.10 Implied vol 112.5% Delta 0.08 ≈8% ITM Gamma 0.04 Theta -0.011 Vega 0.004 Open interest 36 Model this call Put · $20 In the money Last — Breakeven — Implied vol 106.7% Delta -0.937 ≈94% ITM Gamma 0.038 Theta -0.007 Vega 0.004 Open interest 0 Model this put
3	1	148.5%	0.098	$0.06		—	-0.944	127.2%	—	0
Call · $22.5 Last $0.06 Breakeven $22.56 Implied vol 148.5% Delta 0.098 ≈10% ITM Gamma 0.035 Theta -0.017 Vega 0.005 Open interest 3 Model this call Put · $22.5 In the money Last — Breakeven — Implied vol 127.2% Delta -0.944 ≈94% ITM Gamma 0.029 Theta -0.008 Vega 0.004 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1422930 CUSIP 74467Q103 13F (30d) 19 filings 19 filers Visit website Investor relations