PTGX Protagonist Therapeutics, Inc.
$145.72
Platform & Compounding FCF 80%
Two-stage FCF DCF
Strong · Conviction

Overvalued

Trading 844.1% above fair value

You pay $145.72
Bear $13.60
Fair $15.43
Bull $17.27
Bear $13.60 -90.7% 7% stage 1 growth, 12% discount
Fair $15.43 -89.4% 11% stage 1 growth, 12% discount
Bull $17.27 -88.2% 14% stage 1 growth, 12% discount

Adjust Assumptions

10.9%
12.0%
3.0%

Key Value Driver

FCF growth rate (11% base case)

Terminal Value % of EV 35%
Implied Market Multiple 408.1x
Market is pricing in (growth) 53.0% vs 10.9% base

Analyst Consensus (External Reference)

Never blended into the bear/base/bull estimates above.

Average Target (26 analysts) $169.38
Divergence from AlphaVal 91%

Summary

Using a two-stage FCF DCF with 11% growth decelerating over 15 years, discounted at 12%, the base-case intrinsic value is $15.43 per share.

Warnings

Wall Street's average price target is $169.38 (from 26 analysts). Our estimate is 91% below the consensus -- consider that gap carefully.

Key Risks

  • P/E alone misleads — earnings depressed by growth investment
  • Cyclical or commodity businesses may be misclassified as platforms
  • Terminal value dominance suggests sensitivity to long-run assumptions