Tour v528
RYTM
RHYTHM PHARMACEUTICA
$97.71 -1.32%
(9/15 19:07) ◀
|
Friday, September 18, 2026 (6:59pm)
January 2026
|
▶ (9/21 18:59)
◀ 9/18 18:59 ▶

Option Volume

Detail
ℹ
Current (09/18) 5
Calls: 1 (20%)
Puts: 4 (80%)
Prior (09/15) 120
Calls: 6 (5%)
Puts: 114 (95%)
Current vs Prior -95.83%
Calls: -83.33% (Calls)
Puts: -96.49% (Puts)
Prior 7-Day Total 310
Calls: 186 (60%)
Puts: 124 (40%)
Prior 7-Day Average 44
Calls: 26 (60%)
Puts: 17 (40%)
Current vs Prior 7-Day Avg -88.71%
Calls: -96.24%
Puts: -77.42%
Sentiment BEARISH

Dollar Volume

Detail
ℹ
Current (09/18) $1.5K
Calls: $148 (10%)
Puts: $1.4K (90%)
Prior (09/15) $89.4K
Calls: $5.5K (6%)
Puts: $83.9K (94%)
Current vs Prior -98.32%
Calls: -97.29%
Puts: -98.39%
Prior 7-Day Total $334.1K
Calls: $245.2K (73%)
Puts: $89.0K (27%)
Prior 7-Day Average $47.7K
Calls: $35.0K (73%)
Puts: $12.7K (27%)
Current vs Prior 7-Day Avg -96.86%
Calls: -99.58%
Puts: -89.38%
Sentiment BEARISH

Put/Call Ratio

Detail
ℹ
Current (09/18) 4.00
Prior (09/15) 19.00
Current vs Prior -78.95%
Prior 7-Day Average 1.67
Current vs Prior 7-Day Avg +139.12%
Sentiment BEARISH

Open Interest

Detail
ℹ
Current (09/18) --
Calls: -- (--)
Puts: -- (--)
Prior (09/15) --
Calls: -- (--)
Puts: -- (--)
Current vs Prior +0.00%
Prior 7-Day Total 3,363
Calls: 3,359 (100%)
Puts: 4 (0%)
Prior 7-Day Average 840
Calls: 839 (100%)
Puts: 4 (0%)
Current vs Prior 7-Day Avg -100.00%
Sentiment NEUTRAL

Expected Move

Detail
ℹ
Expiry (09/18) | Next (10/16)Expiry (09/18) | Next (10/16)
Current 3.38% | 10.66%3.38% | 10.66%
Prior 5.87% | 11.60%5.87% | 11.60%
Current vs Prior +81.69% | +39.78%-42.46% | -8.11%
Prior 7-Day Avg 8.38% | 14.43%8.38% | 14.43%
Current vs 7-Day Avg +27.27% | +12.40%-59.69% | -26.10%
Prior 7-Day Eod 5.87% | 11.60%5.87% | 11.60%
Current vs 7-Day Eod +81.69% | +39.78%-42.46% | -8.11%
Sentiment BEARISHBULLISH

Relative Spread

Detail
ℹ
Expiry | Next
Current 39.61% | 33.61%
Calls: 46.96% | 42.22%
Puts: 32.26% | 25.00%
Prior 39.61% | 33.61%
Calls: 46.96% | 42.22%
Puts: 32.26% | 25.00%
Current vs Prior +0.00% | +0.00%
Prior 7-Day Avg 39.61% | 33.61%
Calls: 46.96% | 42.22%
Puts: 32.26% | 25.00%
Current vs 7-Day Avg +0.00% | +0.00%
Liquidity Expensive
+
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🤖 AI Insights

Strong bearish conviction with 90% of dollar volume in puts ($1.4K) vs calls ($148). Light premium activity with dollar volume down 98% vs prior. Below-average activity with volume down 96% vs prior. Extreme bearish P/C ratio of 4.00 - heavy put buying.

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

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

No options available for this category

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. 2 found (avg delta 0.60, highest 0.66)

CALLS (0)
No calls meet the criteria
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$100.00Sep 180.204.20$2.20181.8%10.66--
$100.00Oct 164.408.00$6.2058.1%10.54--

Most actively traded options today. High liquidity = easy entry/exit. 3 active (total vol 3, top 1)

CALLS (1)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$110.00Oct 160.002.95$1.48199.3%10.21--
PUTS (2)
StrikeExpiryBidAskMarkSpreadVolDeltaOI
$100.00Sep 180.204.20$2.20181.8%10.66--
$100.00Oct 164.408.00$6.2058.1%10.54--

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. -- found (best R:R --, avg --)

No setups found for this strategy

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

No setups found for this strategy

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 1 found (avg debit $4.00, cheapest $4.00)

CALLS (0)
No calls found
PUTS (1)
StrikeNear ExpFar ExpNet DebitNear IVFar IV
$100.00Sep 18Oct 16$4.00686.5%48.5%

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

No straddle setups found

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

No strangle setups found

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

No iron condor setups found

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

No setups found for this strategy

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

No setups found for this strategy

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

No covered call setups found

Historical option prices for this thinly-traded ticker. Live quotes are wide and stale — use where each contract actually traded plus its 30-day range to place a limit order. 108 contracts (avg 100 vol/day, 108 traded recently)

RYTM averages only 100 option contracts/day, so quotes are thin and bid/ask spreads run wide. Use the last actually-traded price below to set a limit order rather than chasing the displayed ask. No contracts have traded recently — lean on the 30-day mark range and start your limit near the bid.
CALLS (68)
StrikeExpiryBidAskMarkLast Traded30d RangeHistorySugg. LimitOI
$100.00Sep 18$0.00$2.20$1.10$18.60 08/13$1.10–$16.60$1.10--
$100.00Nov 20$5.50$9.00$7.25$13.50 09/02$6.75–$21.15$7.25--
$100.00Dec 18$6.70$10.50$8.60$21.80 07/10$8.20–$22.85$8.60--
$100.00Jan 15$8.10$12.30$10.20$14.50 09/04$10.20–$24.40$10.20--
$95.00Sep 18$0.90$4.80$2.85$17.30 07/17$2.85–$21.20$2.85--
$105.00Oct 16$1.20$4.40$2.80$16.47 08/10$2.72–$14.80$2.80--
$105.00Nov 20$3.50$7.00$5.25$9.95 09/03$4.90–$18.10$5.25--
$105.00Jan 15$6.20$10.40$8.30$17.70 07/30$8.05–$21.50$8.30--
$105.00Dec 17$19.00$24.00$21.50$32.65 07/16$21.00–$35.50$21.50--
$90.00Oct 16$7.30$11.60$9.45$22.00 08/05$9.45–$26.75$9.45--
$90.00Dec 18$11.30$15.50$13.40$31.15 08/13$12.95–$29.75$13.40--
$90.00Jan 15$12.80$17.10$14.95$26.00 08/21$14.95–$31.10$14.95--
$90.00Mar 19$16.40$20.70$18.55$35.00 08/10$18.50–$34.10$18.55--
$110.00Sep 18$0.00$2.15$1.08$5.47 08/21$1.08–$9.65$1.08--
$110.00Oct 16$0.00$2.95$1.48$3.28 09/04$1.48–$12.15$1.48--
$110.00Nov 20$1.40$5.50$3.45$7.71 09/03$3.33–$15.15$3.45--
$110.00Dec 18$2.85$7.00$4.93$13.20 08/21$4.83–$17.05$4.93--
$110.00Dec 17$17.00$22.00$19.50$29.20 08/21$19.50–$33.25$19.50--
$85.00Dec 18$14.40$18.70$16.55$25.06 09/02$16.10–$33.70$16.55--
$85.00Jan 15$15.90$19.90$17.90$31.81 07/28$17.90–$34.70$17.90--
$115.00Sep 18$0.00$0.05$0.03$9.10 08/13$0.03–$7.05$0.03--
$115.00Oct 16$0.00$2.95$1.48$8.79 07/16$1.38–$9.70$1.48--
$115.00Nov 20$0.40$4.60$2.50$13.89 08/10$2.33–$12.75$2.50--
$115.00Dec 18$1.50$5.70$3.60$12.00 07/21$3.30–$14.60$3.60--
$115.00Dec 17$15.50$20.50$18.00$31.73 08/19$18.00–$31.00$18.00--
$80.00Oct 16$16.30$20.30$18.30$37.62 08/19$17.75–$36.35$18.30--
$120.00Sep 18$0.00$1.00$0.50$0.70 09/01$0.50–$4.80$0.50--
$120.00Oct 16$0.00$2.60$1.30$2.41 08/31$1.25–$7.70$1.30--
$120.00Nov 20$0.00$3.90$1.95$6.25 08/28$1.65–$10.60$1.95--
$120.00Jan 15$2.10$6.20$4.15$12.60 07/21$4.15–$14.45$4.15--
$125.00Sep 18$0.00$2.15$1.08$1.25 08/20$1.08–$2.78$1.08--
$125.00Oct 16$0.00$2.45$1.23$3.31 08/21$1.23–$5.80$1.23--
$125.00Dec 18$0.15$4.30$2.23$8.10 08/20$1.75–$10.30$2.23--
$125.00Jan 15$1.30$5.40$3.35$9.76 07/22$2.98–$12.50$3.35--
$125.00Dec 17$12.50$17.50$15.00$29.00 07/09$15.00–$27.50$15.00--
$70.00Jan 15$27.50$31.60$29.55$47.05 07/08$29.25–$47.50$29.55--
$130.00Sep 18$0.00$2.15$1.08$0.45 09/02$0.45–$1.95$0.45--
$130.00Oct 16$0.00$2.40$1.20$1.75 08/28$1.20–$4.10$1.20--
$130.00Nov 20$0.00$2.80$1.40$7.82 08/10$1.35–$7.10$1.40--
$130.00Jan 15$0.60$4.70$2.65$8.95 07/30$2.33–$10.65$2.65--
$135.00Sep 18$0.00$2.15$1.08$1.75 08/13$0.75–$1.70$1.08--
$60.00Dec 18$36.70$40.60$38.65$54.28 08/11$37.80–$56.60$38.65--
$60.00Dec 17$43.00$48.00$45.50$60.49 08/11$44.50–$62.50$45.50--
$140.00Sep 18$0.00$2.15$1.08$1.15 08/13$1.08–$1.55$1.08--
$140.00Oct 16$0.00$2.35$1.18$2.60 08/07$1.18–$2.30$1.18--
$140.00Jan 15$0.00$4.10$2.05$6.57 08/25$1.65–$7.85$2.05--
$145.00Oct 16$0.00$2.35$1.18$2.25 07/17$1.15–$1.90$1.18--
$145.00Mar 19$1.15$5.20$3.18$10.50 08/10$2.60–$10.00$3.18--
$150.00Sep 18$0.00$2.15$1.08$0.90 07/29$1.08–$1.43$0.90--
$150.00Oct 16$0.00$2.35$1.18$2.30 07/13$1.13–$1.75$1.18--
$150.00Dec 18$0.00$3.10$1.55$2.35 08/28$1.33–$3.65$1.55--
$150.00Dec 17$7.50$12.50$10.00$14.50 07/31$10.00–$19.75$10.00--
$45.00Jan 15$51.60$55.60$53.60$71.00 08/19$52.70–$71.30$53.60--
$155.00Oct 16$0.00$2.30$1.15$1.10 07/31$1.10–$1.48$1.10--
$155.00Nov 20$0.00$2.50$1.25$2.70 08/13$1.23–$2.10$1.25--
$155.00Dec 18$0.00$2.95$1.48$1.80 08/28$1.27–$2.90$1.48--
$160.00Oct 16$0.00$2.30$1.15$1.50 07/13$1.10–$1.38$1.15--
$160.00Nov 20$0.00$2.50$1.25$2.10 08/13$1.23–$1.80$1.25--
$160.00Dec 18$0.00$2.85$1.43$1.40 08/28$1.25–$2.55$1.40--
$160.00Jan 15$0.00$3.50$1.75$3.90 08/18$1.35–$3.75$1.75--
$165.00Oct 16$0.00$2.30$1.15$0.95 07/17$1.10–$1.33$0.95--
$165.00Dec 18$0.00$2.75$1.38$1.10 08/28$1.23–$2.10$1.10--
$165.00Jan 15$0.00$3.40$1.70$3.30 08/18$1.27–$2.90$1.70--
$170.00Oct 16$0.00$2.25$1.13$0.95 07/16$1.08–$1.30$0.95--
$170.00Dec 18$0.00$2.65$1.33$0.90 08/28$1.23–$2.00$0.90--
$170.00Jan 15$0.00$3.30$1.65$3.50 08/07$1.23–$2.55$1.65--
$175.00Dec 18$0.00$2.60$1.30$0.90 08/26$1.23–$1.80$0.90--
$180.00Dec 18$0.00$2.55$1.27$0.80 08/26$1.23–$1.80$0.80--
PUTS (40)
StrikeExpiryBidAskMarkLast Traded30d RangeHistorySugg. LimitOI
$100.00Sep 18$0.20$4.20$2.20$1.90 09/01$1.30–$4.10$1.90--
$100.00Oct 16$4.40$8.00$6.20$4.50 08/31$2.13–$7.15$4.50--
$100.00Nov 20$6.70$10.50$8.60$7.37 09/04$4.43–$9.40$7.37--
$100.00Dec 17$18.00$23.00$20.50$16.60 09/01$16.50–$21.00$18.00--
$105.00Sep 18$5.20$9.10$7.15$4.15 09/01$1.75–$8.50$5.20--
$105.00Mar 19$14.90$19.00$16.95$12.10 08/18$12.05–$18.00$14.90--
$90.00Nov 20$2.90$4.90$3.90$2.74 08/10$1.90–$4.10$2.90--
$90.00Jan 15$3.90$8.20$6.05$10.50 07/31$3.80–$6.45$6.05--
$90.00Dec 17$12.50$17.50$15.00$18.74 07/31$12.50–$15.50$15.00--
$110.00Sep 18$10.20$13.80$12.00$5.76 08/21$3.43–$12.95$10.20--
$110.00Dec 18$14.30$18.30$16.30$12.00 08/28$9.75–$16.95$14.30--
$85.00Dec 18$0.95$5.20$3.08$2.25 08/28$2.03–$3.30$2.25--
$115.00Sep 18$15.20$19.00$17.10$6.50 08/14$5.90–$18.05$15.20--
$115.00Oct 16$15.70$19.10$17.40$17.26 07/16$8.30–$18.55$17.26--
$115.00Mar 19$21.60$25.50$23.55$17.10 08/18$17.25–$24.40$21.60--
$80.00Oct 16$0.00$2.30$1.15$3.02 07/31$1.10–$1.43$1.15--
$80.00Jan 15$0.50$4.50$2.50$2.05 08/31$1.85–$3.00$2.05--
$120.00Oct 16$20.40$24.20$22.30$10.75 08/13$11.05–$23.30$20.40--
$75.00Oct 16$0.00$2.25$1.13$0.65 08/06$1.08–$1.33$0.65--
$75.00Dec 18$0.00$3.30$1.65$2.50 07/28$1.40–$2.73$1.65--
$75.00Jan 15$0.00$3.50$1.75$2.40 08/06$1.65–$2.15$1.75--
$75.00Mar 19$1.10$5.20$3.15$2.65 08/14$2.50–$3.97$2.65--
$125.00Oct 16$25.30$29.40$27.35$13.67 08/13$14.35–$28.20$25.30--
$70.00Oct 16$0.00$2.20$1.10$1.35 07/17$1.08–$1.27$1.10--
$70.00Dec 18$0.00$2.80$1.40$1.80 07/29$1.27–$1.65$1.40--
$70.00Jan 15$0.00$2.95$1.48$1.25 09/02$1.40–$1.90$1.25--
$70.00Mar 19$0.05$4.20$2.13$2.40 09/02$1.90–$2.73$2.13--
$65.00Oct 16$0.00$2.20$1.10$0.50 08/04$1.08–$1.33$0.50--
$65.00Dec 18$0.00$2.55$1.27$1.20 07/29$1.20–$1.48$1.20--
$65.00Jan 15$0.00$2.65$1.33$2.35 08/03$1.25–$1.60$1.33--
$65.00Mar 19$0.00$3.40$1.70$1.30 08/14$1.60–$2.15$1.30--
$60.00Oct 16$0.00$2.15$1.08$0.50 07/29$1.08–$1.27$0.50--
$60.00Dec 18$0.00$2.45$1.23$0.85 07/29$1.15–$1.35$0.85--
$60.00Jan 15$0.00$2.50$1.25$1.25 08/04$1.15–$1.40$1.25--
$60.00Mar 19$0.00$2.75$1.38$1.10 09/02$1.35–$1.95$1.10--
$60.00Apr 16$0.00$2.90$1.45$1.30 09/01$1.35–$1.95$1.30--
$55.00Oct 16$0.00$2.15$1.08$0.45 07/29$1.08–$1.20$0.45--
$55.00Jan 15$0.00$2.45$1.23$1.00 08/03$1.10–$1.38$1.00--
$55.00Mar 19$0.00$2.45$1.23$0.85 08/06$1.23–$1.80$0.85--
$50.00Mar 19$0.00$2.25$1.13$1.00 08/04$1.13–$1.55$1.00--

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 1
Total Puts 4
Put/Call Ratio 4.00
Net Difference -3

Prior's Put/Call Breakdown

Total Calls 6
Total Puts 114
Put/Call Ratio 19.00
Net Difference -108

Prior 7-Day Put/Call Summary

Total Calls 186
Total Puts 124
Average Put/Call Ratio 1.67
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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