IDYA · IDEAYA Biosciences, Inc.

Track IDYA — free Ask ALVIS about IDYA

$35.59 -0.57 (-1.58%) At close · Jul 29

Market Cap

$3.13B

87.86M

Options Chain

15-min delayed Underlying $35.59 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 28 contracts

Put / call OI

0.66

Call-heavy positioning

Open interest

955

contracts outstanding

Volume

139

traded today

Max pain

$35.00

$0.59 below spot

ATM implied vol

42.7%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

27.5

32.5

37.5

42.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Oct 16 78d Jan 15 169d Dec 17 505d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	—	—	—	0
Call · $15 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	201.1%	0.954	—		—	-0.046	201.5%	—	0
Call · $17.5 In the money Last — Breakeven — Implied vol 201.1% Delta 0.954 ≈95% ITM Gamma 0.005 Theta -0.04 Vega 0.011 Open interest 0 Model this call Put · $17.5 Last — Breakeven — Implied vol 201.5% Delta -0.046 ≈5% ITM Gamma 0.005 Theta -0.038 Vega 0.011 Open interest 0 Model this put
0	—	0.2%	1	—		$0.85	-0.045	156.9%	20	0
Call · $20 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.002 Vega 0 Open interest 0 Model this call Put · $20 Last $0.85 Breakeven $19.15 Implied vol 156.9% Delta -0.045 ≈4% ITM Gamma 0.007 Theta -0.029 Vega 0.007 Open interest 0 Model this put
0	—	—	—	—		—	-0.066	139.3%	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol 139.3% Delta -0.066 ≈7% ITM Gamma 0.01 Theta -0.035 Vega 0.012 Open interest 0 Model this put
3	6	133.2%	0.894	$11.00		—	-0.081	113.5%	—	0
Call · $25 In the money Last $11.00 Breakeven $36.00 Implied vol 133.2% Delta 0.894 ≈89% ITM Gamma 0.016 Theta -0.051 Vega 0.019 Open interest 3 Model this call Put · $25 Last — Breakeven — Implied vol 113.5% Delta -0.081 ≈8% ITM Gamma 0.015 Theta -0.033 Vega 0.013 Open interest 0 Model this put
0	—	110%	0.861	—		—	-0.107	94%	—	0
Call · $27.5 In the money Last — Breakeven — Implied vol 110% Delta 0.861 ≈86% ITM Gamma 0.023 Theta -0.05 Vega 0.02 Open interest 0 Model this call Put · $27.5 Last — Breakeven — Implied vol 94% Delta -0.107 ≈11% ITM Gamma 0.023 Theta -0.034 Vega 0.014 Open interest 0 Model this put
4	1	74.9%	0.846	$8.40		$0.05	-0.131	67%	8	9
Call · $30 In the money Last $8.40 Breakeven $38.40 Implied vol 74.9% Delta 0.846 ≈85% ITM Gamma 0.036 Theta -0.037 Vega 0.021 Open interest 4 Model this call Put · $30 Last $0.05 Breakeven $29.95 Implied vol 67% Delta -0.131 ≈13% ITM Gamma 0.036 Theta -0.028 Vega 0.021 Open interest 9 Model this put
0	—	68.6%	0.735	—		$1.75	-0.225	54.3%	2	34
Call · $32.5 In the money Last — Breakeven — Implied vol 68.6% Delta 0.735 ≈74% ITM Gamma 0.054 Theta -0.046 Vega 0.029 Open interest 0 Model this call Put · $32.5 Last $1.75 Breakeven $30.75 Implied vol 54.3% Delta -0.225 ≈22% ITM Gamma 0.063 Theta -0.031 Vega 0.029 Open interest 34 Model this put
91	2	46.5%	0.587	$2.25		$1.35	-0.406	39%	71	312
Call · $35 In the money Last $2.25 Breakeven $37.25 Implied vol 46.5% Delta 0.587 ≈59% ITM Gamma 0.095 Theta -0.038 Vega 0.035 Open interest 91 Model this call Put · $35 Last $1.35 Breakeven $33.65 Implied vol 39% Delta -0.406 ≈41% ITM Gamma 0.113 Theta -0.028 Vega 0.035 Open interest 312 Model this put
Underlying $35.59
311	17	60%	0.396	$1.20		$2.65	-0.643	48.2%	2	22
Call · $37.5 Last $1.20 Breakeven $38.70 Implied vol 60% Delta 0.396 ≈40% ITM Gamma 0.074 Theta -0.047 Vega 0.036 Open interest 311 Model this call Put · $37.5 In the money Last $2.65 Breakeven $34.85 Implied vol 48.2% Delta -0.643 ≈64% ITM Gamma 0.09 Theta -0.034 Vega 0.032 Open interest 22 Model this put
147	1	63.4%	0.256	$1.08		$4.75	-0.774	56.9%	1	1
Call · $40 Last $1.08 Breakeven $41.08 Implied vol 63.4% Delta 0.256 ≈26% ITM Gamma 0.058 Theta -0.042 Vega 0.025 Open interest 147 Model this call Put · $40 In the money Last $4.75 Breakeven $35.25 Implied vol 56.9% Delta -0.774 ≈77% ITM Gamma 0.062 Theta -0.031 Vega 0.025 Open interest 1 Model this put
2	2	68.5%	0.172	$1.70		—	-0.931	48.4%	—	0
Call · $42.5 Last $1.70 Breakeven $44.20 Implied vol 68.5% Delta 0.172 ≈17% ITM Gamma 0.042 Theta -0.035 Vega 0.026 Open interest 2 Model this call Put · $42.5 In the money Last — Breakeven — Implied vol 48.4% Delta -0.931 ≈93% ITM Gamma 0.036 Theta -0.011 Vega 0.01 Open interest 0 Model this put
18	5	77%	0.132	$0.25		—	—	—	—	0
Call · $45 Last $0.25 Breakeven $45.25 Implied vol 77% Delta 0.132 ≈13% ITM Gamma 0.031 Theta -0.033 Vega 0.018 Open interest 18 Model this call Put · $45 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	99.9%	0.108	$1.00		—	-0.971	73.3%	—	0
Call · $50 Last $1.00 Breakeven $51.00 Implied vol 99.9% Delta 0.108 ≈11% ITM Gamma 0.021 Theta -0.037 Vega 0.019 Open interest 1 Model this call Put · $50 In the money Last — Breakeven — Implied vol 73.3% Delta -0.971 ≈97% ITM Gamma 0.013 Theta -0.008 Vega 0.005 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 1676725 CUSIP 45166A102 13F (30d) 45 filings 45 filers Visit website Investor relations