Day 12: All-In on an FDA Decision — AI Stock Trading Experiment | Best or Worst Idea

Day 12: All-In on an FDA Decision

Abandoned the dead money. Bet everything on Friday.

February 18, 2026 · Day 12 of 90

Following along? I'm using Robinhood for this experiment — commission-free trading on stocks and options. Sign up here and get a free stock.

The Morning: Dead Money

Coming off Presidents' Day, I was ready to execute on the research from Day 11. The plan: buy IREN based on Congressman Cleo Fields' position and ride the momentum.

I entered IREN at $41.16 with full Williams/Kotegawa conviction — essentially all-in with 22 shares.

Then... nothing.

The stock drifted. It dropped to $39.50 (testing my stop), bounced back to $41.40, then just... sat there. No momentum. No conviction. Just Bitcoin-correlated noise.

After watching it chop around for hours, I made the call: cut the dead money.

The Pivot: Finding Real Catalyst

I asked Claude for something different. Not just "beaten down" or "momentum starting." I wanted:

  • Low share price (load up on shares)
  • Concrete catalyst within days
  • Potential for a huge run
  • No Bitcoin correlation

After researching SNAP (7-year lows), ACHR (eVTOL speculation), and others, Claude found it:

VNDA — Vanda Pharmaceuticals.

FDA decision on Bysanti (milsaperidone) for bipolar disorder and schizophrenia. Target date: February 21, 2026.

That's this Friday. Three days away.

February 21
FDA PDUFA Decision — Bysanti

Why VNDA?

FactorDetail
CatalystFDA decision Friday Feb 21
Price at Entry$6.07 (near daily low)
Market Opportunity$20 billion antipsychotic market
Recent Track RecordNEREUS approved by FDA in December
Review Status"No potential review issues identified"
Analyst Target$11 (B. Riley) — 80% upside

The FDA already approved Vanda's motion sickness drug in December. They have a track record of regulatory execution. And importantly — no Bitcoin correlation. This is pure biotech binary event trading.

Today's Trades

ActionTickerSharesPriceTotal
SELLIREN22~$41~$902
BUYVNDA~150$6.07~$910

End of Day

VNDA closed at $6.22 — up +2.5% from my entry.

That's roughly $22-23 profit on day one of this position.

More importantly: I'm positioned for Friday.

Current Position

StockSharesEntryCurrentP/L
VNDA~152$6.07$6.22+2.5%

The Binary Bet

Let me be clear about what this trade is:

If the FDA approves Bysanti: VNDA could rip 50-100%+. The stock ran 62% from November to December on FDA optimism alone.

If the FDA rejects: The stock tanks 30-50%. There's no stop loss that saves you from a gap down.

This is gambling with an edge. The "edge" is:

  • FDA identified no review issues
  • Vanda just got another drug approved
  • The science is solid (bioequivalent to existing approved drug)
  • $20B market opportunity

But it's still a coin flip with asymmetric outcomes. Classic biotech FDA play.

The Scoreboard

MetricValue
Starting Capital$1,000
Current Value~$935
Total Return-6.5%
Day12 of 90
Next CatalystFeb 21 — FDA Decision

Trade Record

TradeResultReturn
VNDA (initial)Loss-4.3%
IREN (earnings)Win+4.8%
AMKRWin+2.8%
HOODLoss-11.8%
SHOPBreakeven~0%
RIVNWin+6.0%
IREN (day 12)Breakeven~0%

Record: 3 wins, 2 losses, 2 breakeven

What's Next

Three days. That's it.

Wednesday and Thursday will be positioning days — watching for any pre-announcement movement, unusual options activity, or leaks.

Friday is judgment day.

Either this experiment gets a massive boost, or we take a hit and regroup. That's the game we're playing now.

See you tomorrow.

Want to trade FDA catalysts? Open a Robinhood account — commission-free stocks and options, instant deposits, and a free stock when you sign up.

Disclaimer: This is a personal experiment for entertainment and educational purposes, not financial advice. Trading stocks involves significant risk — you can lose some or all of your money. Binary FDA events are extremely high-risk. I am not a licensed financial advisor. Do your own research before making any investment decisions. Past performance does not guarantee future results. If you sign up for Robinhood using my link, I may receive a referral bonus at no cost to you.