Tour v531
TWST
TWIST BIOSCIENCE COR
$149.13 +4.51%
$149.61 (+0.32%)🌙
as of 10/21 06:50 PM
(10/20 18:46) ◀
|
Wednesday, October 21, 2026 (6:50pm)
January 2026
|
▶ (10/22 19:00)
◀ 10/21 18:50 ▶

Option Volume

Detail
ℹ
Current (10/21) 1,061
Calls: 646 (61%)
Puts: 415 (39%)
Prior (10/20) 845
Calls: 512 (61%)
Puts: 333 (39%)
Current vs Prior +25.56%
Calls: +26.17% (Calls)
Puts: +24.62% (Puts)
Prior 7-Day Total 14,695
Calls: 9,220 (63%)
Puts: 5,475 (37%)
Prior 7-Day Average 2,099
Calls: 1,317 (63%)
Puts: 782 (37%)
Current vs Prior 7-Day Avg -49.46%
Calls: -50.95%
Puts: -46.94%
Sentiment BULLISH

Dollar Volume

Detail
ℹ
Current (10/21) $1.84M
Calls: $1.24M (67%)
Puts: $604.3K (33%)
Prior (10/20) $1.28M
Calls: $830.0K (65%)
Puts: $445.5K (35%)
Current vs Prior +44.47%
Calls: +49.20%
Puts: +35.64%
Prior 7-Day Total $15.24M
Calls: $8.52M (56%)
Puts: $6.73M (44%)
Prior 7-Day Average $2.18M
Calls: $1.22M (56%)
Puts: $961.2K (44%)
Current vs Prior 7-Day Avg -15.38%
Calls: +1.80%
Puts: -37.14%
Sentiment BULLISH

Put/Call Ratio

Detail
ℹ
Current (10/21) 0.64
Prior (10/20) 0.65
Current vs Prior -1.23%
Prior 7-Day Average 0.82
Current vs Prior 7-Day Avg -21.26%
Sentiment BULLISH

Open Interest

Detail
ℹ
Current (10/21) 7,593
Calls: 6,460 (85%)
Puts: 1,133 (15%)
Prior (10/20) 8,675
Calls: 6,322 (73%)
Puts: 2,353 (27%)
Current vs Prior -12.47%
Prior 7-Day Total 92,934
Calls: 56,333 (61%)
Puts: 36,601 (39%)
Prior 7-Day Average 13,276
Calls: 8,047 (61%)
Puts: 5,228 (39%)
Current vs Prior 7-Day Avg -42.81%
Sentiment BEARISH

Expected Move

Detail
ℹ
Expiry (11/20) | Next (12/18)
Current 25.41% | 30.01%
Prior 25.61% | 30.24%
Current vs Prior -0.78% | -0.76%
Prior 7-Day Avg 16.31% | 27.63%
Current vs 7-Day Avg +55.83% | +8.62%
Prior 7-Day Eod 25.61% | 30.24%
Current vs 7-Day Eod -0.78% | -0.76%
Sentiment BULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 16.02% | 10.18%
Calls: 17.98% | 11.53%
Puts: 14.05% | 8.84%
Prior 16.02% | 10.18%
Calls: 17.98% | 11.53%
Puts: 14.05% | 8.84%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 16.02% | 10.18%
Calls: 17.98% | 11.53%
Puts: 14.05% | 8.84%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
+
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🤖 AI Insights

Moderately bullish flow with 67% call dollar volume ($1.24M). Bullish P/C ratio of 0.64. Call-heavy open interest (6,460 calls vs 1,133 puts) suggests bullish positioning.

Smart Money BULLISH
Retail Flow BULLISH
Overall BULLISH
Dollar Volume
Option Volume
Put/Call Ratio
Open Interest
Expected Move
Current BULLISH
Prior BULLISH
7-Day Avg BULLISH
Current BULLISH
Prior BULLISH
7-Day Avg NEUTRAL
Current BULLISH
Prior BULLISH
7-Day Avg NEUTRAL
Current BULLISH
Prior BULLISH
7-Day Avg NEUTRAL
Current BEARISH
Prior BULLISH
7-Day Avg BULLISH

📈 Options Analysis

🎯 Tightest Spreads
💰 Best Value Under $1
📊 High Delta (ITM)
🔥 High Volume
⏰ Backwardation
📈 Debit Spreads
📉 Credit Spreads
📅 Calendar Spreads
⚡ Straddles
🔀 Strangles
🦅 Iron Condors
🦋 Butterflies
⚖️ Ratio Spreads
🛡️ Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 3 of results (avg 9.1%, best 7.7%)

CALLS (0)
No calls meet the criteria
PUTS (3)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$185.00Nov 2040.1043.30$41.707.7%40.71--
$170.00Nov 2029.0031.90$30.459.5%10.6118
$150.00Nov 2017.1018.90$18.0010.0%430.44152

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. -- found (avg $--, cheapest $--)

No options available for this category

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 6 found (avg delta 0.61, highest 0.71)

CALLS (4)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$135.00Nov 2023.6026.60$25.1012.0%120.69128
$145.00Nov 2018.3021.50$19.9016.1%30.59114
$150.00Nov 2016.3019.30$17.8016.9%450.55171
$155.00Nov 2014.2017.20$15.7019.1%100.51316
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$185.00Nov 2040.1043.30$41.707.7%40.71--
$170.00Nov 2029.0031.90$30.459.5%10.6118

Most actively traded options today. High liquidity = easy entry/exit. 22 active (total vol 254, top 45)

CALLS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$150.00Nov 2016.3019.30$17.8016.9%450.55171
$180.00Nov 207.109.70$8.4031.0%180.3348
$190.00Nov 205.306.60$5.9521.8%150.26109
$135.00Nov 2023.6026.60$25.1012.0%120.69128
$175.00Nov 208.2010.50$9.3524.6%110.35623
PUTS (5)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$150.00Nov 2017.1018.90$18.0010.0%430.44152
$110.00Nov 202.104.50$3.3072.7%290.1261
$130.00Nov 206.908.70$7.8023.1%190.26228
$120.00Nov 203.306.20$4.7561.1%70.1869
$135.00Nov 208.3011.40$9.8531.5%40.31154

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. -- strikes (avg --%, max --%)

No setups found for this strategy

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 18 found (best R:R 0.92, avg 2.49)

BULL CALL (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$135.00$145.00Nov 20$5.20$4.80$5.2069%0.92$140.20
$145.00$150.00Nov 20$2.10$2.90$2.1060%1.38$147.10
$175.00$180.00Nov 20$0.95$4.05$0.9536%4.26$175.95
$160.00$165.00Nov 20$1.60$3.40$1.6047%2.13$161.60
$155.00$160.00Nov 20$1.85$3.15$1.8551%1.70$156.85
BEAR PUT (5)
BuySellExpiryDebitMax GainMax LossPOPR:RBE
$120.00$110.00Nov 20$1.45$8.55$1.4518%5.90$118.55
$145.00$140.00Nov 20$2.05$2.95$2.0540%1.44$142.95
$110.00$105.00Nov 20$0.72$4.28$0.7212%5.94$109.28
$125.00$120.00Nov 20$1.30$3.70$1.3022%2.85$123.70
$130.00$125.00Nov 20$1.75$3.25$1.7526%1.86$128.25

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 15 found (best R:R 1.00, avg 0.47)

BEAR CALL (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$180.00$185.00Nov 20$1.60$1.60$3.4068%0.47$181.60
$165.00$170.00Nov 20$1.65$1.65$3.3557%0.49$166.65
$185.00$190.00Nov 20$0.85$0.85$4.1572%0.20$185.85
$150.00$155.00Nov 20$2.10$2.10$2.9045%0.72$152.10
$170.00$175.00Nov 20$1.25$1.25$3.7561%0.33$171.25
BULL PUT (5)
SellBuyExpiryCreditMax GainMax LossPOPR:RBE
$140.00$135.00Nov 20$2.50$2.50$2.5064%1.00$137.50
$135.00$130.00Nov 20$2.05$2.05$2.9569%0.69$132.95
$130.00$125.00Nov 20$1.75$1.75$3.2574%0.54$128.25
$125.00$120.00Nov 20$1.30$1.30$3.7078%0.35$123.70
$110.00$105.00Nov 20$0.72$0.72$4.2888%0.17$109.28

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. -- found (avg debit $--, cheapest $--)

No setups found for this strategy

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 3 found (cheapest 23.00% of stock, avg 23.48%)

StrikeExpiryCall$Put$TotalBE LowBE HighCost%
$145.00Nov 20$19.90$14.40$34.30$110.70$179.3023.00%
$135.00Nov 20$25.10$9.85$34.95$100.05$169.9523.44%
$150.00Nov 20$17.80$18.00$35.80$114.20$185.8024.01%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 25 found (cheapest 10.86% of stock, avg 15.67%)

Call KPut KExpiryCall$Put$TotalBE LowBE High
$180.00$130.00Nov 20$8.40$7.80$16.20$113.80$196.20
$180.00$135.00Nov 20$8.40$9.85$18.25$116.75$198.25
$175.00$130.00Nov 20$9.35$7.80$17.15$112.85$192.15
$175.00$135.00Nov 20$9.35$9.85$19.20$115.80$194.20
$170.00$130.00Nov 20$10.60$7.80$18.40$111.60$188.40
$180.00$140.00Nov 20$8.40$12.35$20.75$119.25$200.75
$175.00$140.00Nov 20$9.35$12.35$21.70$118.30$196.70
$170.00$135.00Nov 20$10.60$9.85$20.45$114.55$190.45
$170.00$140.00Nov 20$10.60$12.35$22.95$117.05$192.95
$165.00$130.00Nov 20$12.25$7.80$20.05$109.95$185.05

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 10 found (best R:R 2.70, avg credit $2.68)

Put SpreadCall SpreadExpiryCreditMax LossPOPR:RBE LowBE High
130/135180/185Nov 20$3.65$1.3537%2.70$131.35$183.65
125/130180/185Nov 20$3.35$1.6541%2.03$126.65$183.35
120/125180/185Nov 20$2.90$2.1046%1.38$122.10$182.90
105/110180/185Nov 20$2.32$2.6855%0.87$107.68$182.32
130/135185/190Nov 20$2.90$2.1041%1.38$132.10$187.90
125/130185/190Nov 20$2.60$2.4045%1.08$127.40$187.60
120/125185/190Nov 20$2.15$2.8550%0.75$122.85$187.15
105/110185/190Nov 20$1.57$3.4359%0.46$108.43$186.57
110/120180/185Nov 20$3.05$6.9550%0.44$116.95$183.05
110/120185/190Nov 20$2.30$7.7054%0.30$117.70$187.30

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 9 found (best R:R 19.00, cheapest $0.25)

CALLS (5)
LowMidHighExpiryDebitMax GainPOPR:R
$150.00$155.00$160.00Nov 20$0.25$4.758%19.00
$155.00$160.00$165.00Nov 20$0.25$4.758%19.00
$170.00$175.00$180.00Nov 20$0.30$4.706%15.67
$165.00$170.00$175.00Nov 20$0.40$4.608%11.50
$180.00$185.00$190.00Nov 20$0.75$4.257%5.67
PUTS (4)
LowMidHighExpiryDebitMax GainPOPR:R
$125.00$130.00$135.00Nov 20$0.30$4.709%15.67
$130.00$135.00$140.00Nov 20$0.45$4.559%10.11
$120.00$125.00$130.00Nov 20$0.45$4.558%10.11
$140.00$145.00$150.00Nov 20$1.55$3.459%2.23

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 5 found (best net $-5.55, 5 credits)

CALLS (0)
No calls found
PUTS (5)
Buy KSell KRatioExpiryNetMax Gain
$170.00$150.001:2Nov 20-$5.55$14.45
$120.00$110.001:2Nov 20-$1.85$8.15
$110.00$105.001:2Nov 20-$1.86$3.14
$125.00$120.001:2Nov 20-$3.45$1.55
$130.00$125.001:2Nov 20-$4.30$0.70

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 9 found (best yield 7.38%, avg 6.68%)

StrikeExpiryBidDeltaOTM%Yield%If Called%VolOI
$165.00Nov 20$11.000.4310.6%7.38%18.02%10613
$160.00Nov 20$12.600.477.3%8.45%15.74%9387
$170.00Nov 20$9.300.3914.0%6.24%20.23%5--
$180.00Nov 20$7.100.3320.7%4.76%25.46%1848
$175.00Nov 20$8.200.3517.4%5.50%22.85%11623
$155.00Nov 20$14.200.513.9%9.52%13.46%10316
$150.00Nov 20$16.300.550.6%10.93%11.51%45171
$190.00Nov 20$5.300.2627.4%3.55%30.96%15109
$185.00Nov 20$5.600.2824.1%3.76%27.81%1--

Current 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
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Prior's 5-Minute Volume Snapshots

Time (HH:MM) Total Volume Call Volume Put Volume Volume Change
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Current Put/Call Breakdown

Total Calls 646
Total Puts 415
Put/Call Ratio 0.64
Net Difference 231

Prior's Put/Call Breakdown

Total Calls 512
Total Puts 333
Put/Call Ratio 0.65
Net Difference 179

Prior 7-Day Put/Call Summary

Total Calls 9,220
Total Puts 5,475
Average Put/Call Ratio 0.82
Ratio Trend Falling

Daily Put/Call History (Last 7 Days)

Date Calls Puts Ratio Net Diff
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Upcoming Earnings - 2 Weeks Prior

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Upcoming Earnings - 1 Week Prior

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Earnings This Week

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Earnings - Day Before / Day After

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Options Activity Around Earnings

Ticker Earnings Date Days Away Call Volume Put Volume IV Rank
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Chart Title

Price — Past 7 Days

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