Protagonist Therapeutics Inc
Protagonist Therapeutics Inc (PTGX) Expected Move
PTGX expected move through Oct 16, 2026 is 9.4%, with 21 days to expiration. The implied range is $124.24 to $150.44, based on the previous trading day's options prices.
Read more
Tracking the PTGX expected move helps you see how far Protagonist Therapeutics Inc's options market is pricing the stock to travel over a given period — whether that's the next day, week, or earnings cycle. Protagonist Therapeutics Inc's expected move is derived directly from option premiums and gives you an objective range to plan trades, set strikes, and manage risk. Use our scanner to monitor the PTGX expected move for this week's options, in real time.
The expected move is typically calculated from at-the-money straddle prices (or a blend of straddles and strangles) and represents roughly a one-standard-deviation range over the chosen timeframe. For PTGX, comparing the implied expected move to actual realized moves over similar windows tells you whether the options market has historically overestimated or underestimated volatility. The PTGX expected move for this week's options pricing is especially useful for short-dated traders, earnings players, and anyone selling premium who needs to know where the market thinks Protagonist Therapeutics Inc is unlikely to go.
Protagonist Therapeutics, Inc., a biopharmaceutical company, discovers and develops peptide-based therapeutic drugs to address hematology and blood disorders, and inflammatory and immunomodulatory diseases. It is developing rusfertide (PTG-300), an injectable hepcidin mimetic that is in Phase II clinical trials for the treatment of patients with polycythemia vera and hereditary hemochromatosis, as well as for the treatment of other blood disorders; PN-943, an oral, alpha-4-beta-7 integrin- specific antagonist peptide that is in Phase II clinical trials for treating inflammatory bowel disease (IBD); and PN-235, an orally delivered interleukin-23 receptor specific antagonist for the treatment of IBD and non-IBD indications.
The company has a license and collaboration agreement with Janssen Biotech, Inc. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.
Iron condors, weekly premium sales, directional swing trades — they all live or die by where the market thinks the stock won't go. Our scanner tracks the PTGX expected move across every expiration, benchmarks it against realized moves, and shows you when implied ranges are out of line with history. The Protagonist Therapeutics Inc expected move for this week's options is the fastest read on short-term risk, which gives you a quick way to interpret what the options market thinks about PTGX.
PTGX Price
Drag chart to pan. Drag axes to zoom.
| Expiration | DTE | Expected move (USD) | Expected move (%) | Upper price | Lower price |
|---|---|---|---|---|---|
| Oct 16, 2026 | 21 | $13.10 | 9.4% | $150.44 | $124.24 |
| Nov 20, 2026 | 56 | $19.15 | 13.8% | $156.49 | $118.19 |
| Jan 15, 2027 | 112 | $24.43 | 17.6% | $161.77 | $112.92 |
| Apr 16, 2027 | 203 | $33.58 | 24.2% | $170.92 | $103.77 |
As of September 23, 2026
Know What the Market Expects From PTGX
Track the PTGX expected move across every expiration, filter by IV rank and liquidity, and trade around the range the market is already pricing in.
Start your 14-day free trial→