PTGX options

Options Snapshot

PTGX's at the money implied volatility is 51.6 percent on 6 Oct 2026.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Expected Move

On 6 Oct 2026, the option prices for PTGX implied an expected move of 114 to 164 by 20 Nov 2026. That is 17.7 percent down and 18.1 percent up.

The range is one standard deviation either side of the close of 138.69, as the option prices imply it.

An expected move restates option prices at the close and says nothing certain about where the price goes.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Gamma Map

On 6 Oct 2026, PTGX's call wall is the 125 strike and its put wall is the 80 strike.

Gamma exposure (GEX) is dollar gamma, stated for a one percent move in the price.

Net is calls minus puts under the standard convention, not a record of who holds the contracts.

Zero gamma is where calls minus puts gamma would change sign if the price moved there, holding tonight's contracts fixed. It assumes hedgers hold the calls and sold the puts, which the chain cannot show. On our August to October 2026 captures, names below it moved no more than names above it.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Volatility History

On 6 Oct 2026, PTGX's at the money IV is 51.6 percent against 20 day realized volatility of 26.2 percent.

Realized volatility is worked out from the daily closes the desk holds, not from the option chain.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Volatility Weather

On 6 Oct 2026, PTGX's at the money IV runs from 54.0 percent at 10 days to 48.4 percent at 192 days.

Near expiries price more volatility than far ones, an inverted term structure.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Volatility Smile

On 6 Oct 2026, at the 45 day expiry, PTGX's IV ten percent below the price sits 2.4 points below at the money IV.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Volatility Surface

On 6 Oct 2026, PTGX's surface spans 4 expiries out to 192 days, with IV from 42.6 to 102.8 percent near the price.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Expiry Ladder

On 6 Oct 2026, PTGX has 4 captured expiries, from 16 Oct 2026 to 16 Apr 2027.

Open interest is summed over the strikes captured near the price on each expiry.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Strike Table

On 6 Oct 2026, PTGX's largest open interest sits at the 125 strike, with 2,195 contracts across the captured expiries.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Changed Hands

On 6 Oct 2026, 549 PTGX option contracts traded.

Traded volume and open interest are shown side by side and never combined. Open interest changes cannot identify buyers or sellers.

From the option chain at the close on 6 Oct 2026. Current on every plan.

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Price Chart

PTGX closed at 138.69 on 6 Oct 2026.

Worked out from the desk's own daily bars, adjusted for share splits.

From the daily bars through 6 Oct 2026. Current on every plan.

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Public Filings

Company insiders reported 0 purchases and 2 sales of PTGX in the filings the desk holds.

Every filing is reproduced as filed, and each one reaches the public days or weeks after the trade.

Filings as of 6 Oct 2026. Current on every plan.

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Seasonality

In the 10 Octobers on record, PTGX's average change was plus 4.0 percent, and it rose in 40.0 percent of them.

Each figure is a month end to month end change in past years. A past month says nothing certain about the next one.

Monthly history through 6 Oct 2026. Current on every plan.

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