BL · Blackline, Inc.

Track BL — free Ask ALVIS about BL

$32.43 +0.48 (+1.50%) At close · Jul 29

Market Cap

$1.90B

58.66M

Options Chain

15-min delayed Underlying $32.43 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 52 contracts

Put / call OI

13.49

Put-heavy positioning

Open interest

7,142

contracts outstanding

Volume

587

traded today

Max pain

$40.00

$7.57 above spot

ATM implied vol

89.4%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

27.5

32.5

37.5

42.5

47.5

52.5

57.5

62.5

67.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Nov 20 113d Dec 18 141d Jan 15 169d Feb 19 204d Mar 19 232d Dec 17 505d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	0.2%	1	—		—	-0.048	225.4%	—	0
Call · $15 In the money Last — Breakeven — Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.001 Vega 0 Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol 225.4% Delta -0.048 ≈5% ITM Gamma 0.006 Theta -0.04 Vega 0.009 Open interest 0 Model this put
0	—	—	—	—		$0.35	-0.055	181.4%	1	2
Call · $17.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $17.5 Last $0.35 Breakeven $17.15 Implied vol 181.4% Delta -0.055 ≈6% ITM Gamma 0.008 Theta -0.036 Vega 0.01 Open interest 2 Model this put
0	—	—	—	—		$0.58	-0.072	152.9%	1	114
Call · $20 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $20 Last $0.58 Breakeven $19.42 Implied vol 152.9% Delta -0.072 ≈7% ITM Gamma 0.011 Theta -0.037 Vega 0.011 Open interest 114 Model this put
10	10	66.7%	0.991	$5.83		$0.48	-0.102	135.3%	1	321
Call · $22.5 In the money Last $5.83 Breakeven $28.33 Implied vol 66.7% Delta 0.991 ≈99% ITM Gamma 0.005 Theta -0.005 Vega 0.003 Open interest 10 Model this call Put · $22.5 Last $0.48 Breakeven $22.02 Implied vol 135.3% Delta -0.102 ≈10% ITM Gamma 0.017 Theta -0.043 Vega 0.018 Open interest 321 Model this put
3	2	101.5%	0.878	$7.40		$1.05	-0.118	99.4%	23	4.2k
Call · $25 In the money Last $7.40 Breakeven $32.40 Implied vol 101.5% Delta 0.878 ≈88% ITM Gamma 0.025 Theta -0.039 Vega 0.019 Open interest 3 Model this call Put · $25 Last $1.05 Breakeven $23.95 Implied vol 99.4% Delta -0.118 ≈12% ITM Gamma 0.025 Theta -0.035 Vega 0.019 Open interest 4.2k Model this put
23	22	93.4%	0.799	$2.60		$0.80	-0.248	128.3%	1	111
Call · $27.5 In the money Last $2.60 Breakeven $30.10 Implied vol 93.4% Delta 0.799 ≈80% ITM Gamma 0.038 Theta -0.049 Vega 0.026 Open interest 23 Model this call Put · $27.5 Last $0.80 Breakeven $26.70 Implied vol 128.3% Delta -0.248 ≈25% ITM Gamma 0.031 Theta -0.072 Vega 0.025 Open interest 111 Model this put
202	1	91.3%	0.68	$3.05		$2.20	-0.306	78.1%	406	1k
Call · $30 In the money Last $3.05 Breakeven $33.05 Implied vol 91.3% Delta 0.68 ≈68% ITM Gamma 0.049 Theta -0.061 Vega 0.031 Open interest 202 Model this call Put · $30 Last $2.20 Breakeven $27.80 Implied vol 78.1% Delta -0.306 ≈31% ITM Gamma 0.056 Theta -0.049 Vega 0.027 Open interest 1k Model this put
Underlying $32.43
42	44	89.4%	0.545	$1.06		$6.30	-0.457	89.4%	1	8
Call · $32.5 Last $1.06 Breakeven $33.56 Implied vol 89.4% Delta 0.545 ≈54% ITM Gamma 0.056 Theta -0.066 Vega 0.032 Open interest 42 Model this call Put · $32.5 In the money Last $6.30 Breakeven $26.20 Implied vol 89.4% Delta -0.457 ≈46% ITM Gamma 0.056 Theta -0.063 Vega 0.032 Open interest 8 Model this put
63	1	89.9%	0.413	$1.40		$6.20	-0.596	86.2%	4	389
Call · $35 Last $1.40 Breakeven $36.40 Implied vol 89.9% Delta 0.413 ≈41% ITM Gamma 0.054 Theta -0.065 Vega 0.033 Open interest 63 Model this call Put · $35 In the money Last $6.20 Breakeven $28.80 Implied vol 86.2% Delta -0.596 ≈60% ITM Gamma 0.057 Theta -0.059 Vega 0.033 Open interest 389 Model this put
14	3	71.4%	0.238	$1.18		—	-0.719	84.9%	—	0
Call · $37.5 Last $1.18 Breakeven $38.68 Implied vol 71.4% Delta 0.238 ≈24% ITM Gamma 0.054 Theta -0.04 Vega 0.023 Open interest 14 Model this call Put · $37.5 In the money Last — Breakeven — Implied vol 84.9% Delta -0.719 ≈72% ITM Gamma 0.05 Theta -0.049 Vega 0.03 Open interest 0 Model this put
86	18	114.4%	0.276	$0.55		$9.86	-0.807	86.1%	1	171
Call · $40 Last $0.55 Breakeven $40.55 Implied vol 114.4% Delta 0.276 ≈28% ITM Gamma 0.037 Theta -0.07 Vega 0.024 Open interest 86 Model this call Put · $40 In the money Last $9.86 Breakeven $30.14 Implied vol 86.1% Delta -0.807 ≈81% ITM Gamma 0.04 Theta -0.04 Vega 0.024 Open interest 171 Model this put
16	1	89.8%	0.139	$0.35		$16.25	-0.86	91.2%	1	266
Call · $42.5 Last $0.35 Breakeven $42.85 Implied vol 89.8% Delta 0.139 ≈14% ITM Gamma 0.031 Theta -0.036 Vega 0.016 Open interest 16 Model this call Put · $42.5 In the money Last $16.25 Breakeven $26.25 Implied vol 91.2% Delta -0.86 ≈86% ITM Gamma 0.031 Theta -0.034 Vega 0.016 Open interest 266 Model this put
6	1	99.1%	0.117	$1.30		$12.90	-0.892	97.6%	5	0
Call · $45 Last $1.30 Breakeven $46.30 Implied vol 99.1% Delta 0.117 ≈12% ITM Gamma 0.024 Theta -0.035 Vega 0.017 Open interest 6 Model this call Put · $45 In the money Last $12.90 Breakeven $32.10 Implied vol 97.6% Delta -0.892 ≈89% ITM Gamma 0.025 Theta -0.03 Vega 0.016 Open interest 0 Model this put
0	—	113.7%	0.116	—		—	-0.931	97.5%	—	0
Call · $47.5 Last — Breakeven — Implied vol 113.7% Delta 0.116 ≈12% ITM Gamma 0.021 Theta -0.04 Vega 0.017 Open interest 0 Model this call Put · $47.5 In the money Last — Breakeven — Implied vol 97.5% Delta -0.931 ≈93% ITM Gamma 0.018 Theta -0.021 Vega 0.01 Open interest 0 Model this put
3	1	121.9%	0.101	$1.38		$5.10	-0.935	107.1%	1	0
Call · $50 Last $1.38 Breakeven $51.38 Implied vol 121.9% Delta 0.101 ≈10% ITM Gamma 0.018 Theta -0.039 Vega 0.018 Open interest 3 Model this call Put · $50 In the money Last $5.10 Breakeven $44.90 Implied vol 107.1% Delta -0.935 ≈94% ITM Gamma 0.016 Theta -0.021 Vega 0.01 Open interest 0 Model this put
11	1	132.4%	0.095	$0.10		$6.70	-0.963	105.8%	29	29
Call · $52.5 Last $0.10 Breakeven $52.60 Implied vol 132.4% Delta 0.095 ≈10% ITM Gamma 0.016 Theta -0.041 Vega 0.018 Open interest 11 Model this call Put · $52.5 In the money Last $6.70 Breakeven $45.80 Implied vol 105.8% Delta -0.963 ≈96% ITM Gamma 0.011 Theta -0.013 Vega 0.008 Open interest 29 Model this put
4	2	141.1%	0.091	$0.25		—	-0.965	113.7%	—	0
Call · $55 Last $0.25 Breakeven $55.25 Implied vol 141.1% Delta 0.091 ≈9% ITM Gamma 0.014 Theta -0.042 Vega 0.011 Open interest 4 Model this call Put · $55 In the money Last — Breakeven — Implied vol 113.7% Delta -0.965 ≈97% ITM Gamma 0.01 Theta -0.013 Vega 0.005 Open interest 0 Model this put
7	2	148.9%	0.087	$0.80		—	-0.967	120.9%	—	0
Call · $57.5 Last $0.80 Breakeven $58.30 Implied vol 148.9% Delta 0.087 ≈9% ITM Gamma 0.013 Theta -0.042 Vega 0.011 Open interest 7 Model this call Put · $57.5 In the money Last — Breakeven — Implied vol 120.9% Delta -0.967 ≈97% ITM Gamma 0.009 Theta -0.014 Vega 0.005 Open interest 0 Model this put
1	1	156.4%	0.084	$0.70		—	-0.957	136.2%	—	0
Call · $60 Last $0.70 Breakeven $60.70 Implied vol 156.4% Delta 0.084 ≈8% ITM Gamma 0.012 Theta -0.043 Vega 0.011 Open interest 1 Model this call Put · $60 In the money Last — Breakeven — Implied vol 136.2% Delta -0.957 ≈96% ITM Gamma 0.01 Theta -0.02 Vega 0.01 Open interest 0 Model this put
2	2	163.6%	0.081	$0.50		—	-0.969	134.6%	—	0
Call · $62.5 Last $0.50 Breakeven $63.00 Implied vol 163.6% Delta 0.081 ≈8% ITM Gamma 0.011 Theta -0.044 Vega 0.011 Open interest 2 Model this call Put · $62.5 In the money Last — Breakeven — Implied vol 134.6% Delta -0.969 ≈97% ITM Gamma 0.008 Theta -0.014 Vega 0.005 Open interest 0 Model this put
0	—	170.5%	0.078	—		—	-0.96	150.4%	—	0
Call · $65 Last — Breakeven — Implied vol 170.5% Delta 0.078 ≈8% ITM Gamma 0.011 Theta -0.044 Vega 0.012 Open interest 0 Model this call Put · $65 In the money Last — Breakeven — Implied vol 150.4% Delta -0.96 ≈96% ITM Gamma 0.008 Theta -0.02 Vega 0.005 Open interest 0 Model this put
0	—	177.2%	0.076	—		—	-0.984	136.8%	—	0
Call · $67.5 Last — Breakeven — Implied vol 177.2% Delta 0.076 ≈8% ITM Gamma 0.01 Theta -0.045 Vega 0.012 Open interest 0 Model this call Put · $67.5 In the money Last — Breakeven — Implied vol 136.8% Delta -0.984 ≈98% ITM Gamma 0.005 Theta -0.008 Vega 0.004 Open interest 0 Model this put
0	—	183.6%	0.074	—		—	-0.984	142.8%	—	0
Call · $70 Last — Breakeven — Implied vol 183.6% Delta 0.074 ≈7% ITM Gamma 0.009 Theta -0.046 Vega 0.012 Open interest 0 Model this call Put · $70 In the money Last — Breakeven — Implied vol 142.8% Delta -0.984 ≈98% ITM Gamma 0.005 Theta -0.008 Vega 0.004 Open interest 0 Model this put
0	—	195.8%	0.071	—		—	-0.985	154.2%	—	0
Call · $75 Last — Breakeven — Implied vol 195.8% Delta 0.071 ≈7% ITM Gamma 0.008 Theta -0.047 Vega 0.012 Open interest 0 Model this call Put · $75 In the money Last — Breakeven — Implied vol 154.2% Delta -0.985 ≈99% ITM Gamma 0.004 Theta -0.008 Vega 0.004 Open interest 0 Model this put
0	—	207.3%	0.068	—		—	-0.986	164.9%	—	0
Call · $80 Last — Breakeven — Implied vol 207.3% Delta 0.068 ≈7% ITM Gamma 0.008 Theta -0.048 Vega 0.013 Open interest 0 Model this call Put · $80 In the money Last — Breakeven — Implied vol 164.9% Delta -0.986 ≈99% ITM Gamma 0.004 Theta -0.008 Vega 0.004 Open interest 0 Model this put
0	—	218.1%	0.065	—		—	-0.986	174.2%	—	0
Call · $85 Last — Breakeven — Implied vol 218.1% Delta 0.065 ≈7% ITM Gamma 0.007 Theta -0.05 Vega 0.013 Open interest 0 Model this call Put · $85 In the money Last — Breakeven — Implied vol 174.2% Delta -0.986 ≈99% ITM Gamma 0.004 Theta -0.008 Vega 0.002 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 1666134 CUSIP 09239B109 13F (30d) 82 filings 54 filers Visit website Investor relations