This is a Scorecard review, revisiting a past LF0 research call against what actually happened.
Ticker: AMBA Rating: Sell Published: 2026-07-14 Checkpoint: 2026-09-14 Entry price: $72.90 Latest price: $65.31 as of 2026-09-14 Stock return since entry: -10.4% Signal return: +10.4% Verdict: Correct so far
This is the 2-month checkpoint for this call. LF0 publishes monthly Scorecard updates through month 6, using the closest available daily close on or before the checkpoint date.
Read the original LF0 analysis
What I Said
I rated AMBA a Sell because I thought the valuation was asking too much of a business that still had not shown durable operating leverage. My focus was on the gap between growth and earnings power: the company could keep investing, but I did not see enough proof that the AI ramp was translating into a stronger margin structure or a better cash-flow profile. I also flagged specific thresholds that would change my mind, including sustained quarterly revenue above $100M, positive operating margin, and trailing operating cash flow moving toward $60M-$70M.
Peer Comparison
| Company | Return Since Entry |
|---|---|
| AMBA (this call) | -10.4% |
| ADI | -7.8% |
| ALAB | -27.7% |
| MRVL | -2.0% |
| NVDA | -0.5% |
| ON | -23.1% |
Why It’s Working (Or Not)
So far, that short thesis has worked: if I had shorted AMBA at my entry price, I would be up about 10.4% over this review window. The stock has also been weaker than the peer set overall, which supports my view that AMBA has not been rewarded for the same kind of semiconductor exposure that some comparables have had. What has held up most clearly is my concern that the market was paying for growth without enough evidence of operating leverage; I have not seen anything in the numbers provided that would invalidate that concern. I cannot claim the thesis is fully proven yet, because my original call depended on the next phase of revenue and margin data, but the current move is consistent with the bearish setup I described.
What Could Still Prove Me Wrong
I would still be wrong if AMBA starts delivering the operating leverage I said I needed to see: quarterly revenue staying above $100M for two more quarters, operating margin turning positive, and trailing operating cash flow moving toward the $60M-$70M range. I would also have to reconsider if gross margin holds above 58% while revenue growth broadens enough to show the AI ramp is not just a temporary mix effect. If those metrics improve together, the valuation argument behind my Sell would weaken materially.
The July 2026 Cohort
Other directional calls published the same month:
| Ticker | Rating | Entry | Latest | Stock Return | Signal Return | Verdict |
|---|---|---|---|---|---|---|
| NLST | Sell | $2.44 | $4.79 | +96.3% | -96.3% | Incorrect so far |
| BMNR | Sell | $17.74 | $25.20 | +42.1% | -42.1% | Incorrect so far |
| RDW | Sell | $8.99 | $10.60 | +17.9% | -17.9% | Incorrect so far |
| QUBT | Sell | $7.43 | $7.97 | +7.2% | -7.2% | Incorrect so far |
| FTNT | Sell | $156.25 | $164.10 | +5.0% | -5.0% | Incorrect so far |
| VSAT | Sell | $69.54 | $71.90 | +3.4% | -3.4% | Incorrect so far |
| RCAT | Sell | $7.83 | $7.89 | +0.8% | -0.8% | Incorrect so far |
| MARA | Sell | $11.67 | $11.61 | -0.5% | +0.5% | Correct so far |
| HUT | Sell | $98.33 | $91.61 | -6.8% | +6.8% | Correct so far |
| SMR | Strong Sell | $8.81 | $8.40 | -4.6% | +6.9% | Correct so far |
| TPL | Sell | $408.26 | $371.00 | -9.1% | +9.1% | Correct so far |
| TTWO | Sell | $247.62 | $217.04 | -12.3% | +12.3% | Correct so far |
| ONTO | Sell | $319.32 | $258.90 | -18.9% | +18.9% | Correct so far |
| AMKR | Sell | $60.60 | $48.33 | -20.2% | +20.2% | Correct so far |
| UAN | Buy | $110.58 | $136.47 | +23.4% | +23.4% | Correct so far |
| CIFR | Sell | $21.85 | $16.18 | -25.9% | +25.9% | Correct so far |
| MYRG | Sell | $391.51 | $279.39 | -28.6% | +28.6% | Correct so far |
| FLNC | Sell | $14.42 | $9.60 | -33.4% | +33.4% | Correct so far |
| MTZ | Sell | $380.63 | $232.15 | -39.0% | +39.0% | Correct so far |
Live LF0 scorecard: The Scorecard | Research Performance dashboard
Past performance does not guarantee future results. Nothing here is investment advice or a recommendation to buy or sell securities. Returns use LF0’s daily-close scorecard methodology.
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