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The Scorecard: 2 Month Update: ADTN Sell — Correct so far

Revisiting our Sell call on ADTN: entry $7.76, latest $7.46, -3.9%.

This is a Scorecard review, revisiting a past LF0 research call against what actually happened.

Ticker: ADTN Rating: Sell Published: 2026-08-11 Checkpoint: 2026-10-11 Entry price: $7.76 Latest price: $7.46 as of 2026-10-09 Stock return since entry: -3.9% Signal return: +3.9% 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 argued that ADTN was a fragile turnaround story: the stock needed revenue stabilization, margin recovery, and stronger free cash flow before the valuation discount could look compelling. In my conclusion, I pointed to revenue in the high-$200M range, negative operating margin, and only $24.8M of levered free cash flow as the reasons I stayed at Sell rather than moving to a more constructive stance.

Peer Comparison

CompanyReturn Since Entry
ADTN (this call)-3.9%
AVNW-1.1%
CALX-6.0%
CIEN+16.1%
HLIT-4.0%
VIAV+18.4%

Why It’s Working (Or Not)

Following the Sell call would have earned 3.9% over this tracking window, so the bearish signal has worked to date. That lines up with my original view that the turnaround still needed more proof, because the stock has not rewarded the market with a cleaner re-rating. The peer set has been mixed, with several comparables also lower but others posting solid gains, which makes ADTN’s weakness look more like company-specific underperformance than a broad group move. The specific caution I highlighted around fragile cash generation and an unproven revenue base has held up enough for the Sell to remain justified at this point.

What Could Still Prove Me Wrong

I would be wrong if ADTN shows the kind of operating progress I said I needed to see: revenue holding above $290M for two straight quarters and levered free cash flow moving above $40M over the next twelve months. A sustained move toward positive operating margin would also undercut the bearish case, because it would show the cost structure is finally being absorbed rather than merely offset. If revenue slips back below $280M in a quarter and EBITDA falls under $20M, that would reinforce the downside risk I flagged and keep the Sell intact.

The August 2026 Cohort

Other directional calls published the same month:

TickerRatingEntryLatestStock ReturnSignal ReturnVerdict
SDGRSell$17.40$27.28+56.8%-56.8%Incorrect so far
VNOMSell$41.67$42.99+3.2%-3.2%Incorrect so far
AESSell$14.71$14.94+1.6%-1.6%Incorrect so far
GTNSell$4.83$4.54-6.0%+6.0%Correct so far
NNDMSell$1.65$1.55-6.1%+6.1%Correct so far
LRCXSell$343.48$318.84-7.2%+7.2%Correct so far
LHXSell$260.92$236.97-9.2%+9.2%Correct so far
RRGBSell$9.51$8.61-9.5%+9.5%Correct so far
NUTXBuy$188.41$206.29+9.5%+9.5%Correct so far
BASell$210.46$190.37-9.5%+9.5%Correct so far
OISell$6.79$6.08-10.5%+10.5%Correct so far
WGSSell$77.88$67.33-13.5%+13.5%Correct so far
NXESell$10.40$8.75-15.9%+15.9%Correct so far
PENNSell$18.56$15.48-16.6%+16.6%Correct so far
ALTSell$3.15$2.61-17.1%+17.1%Correct so far
OWLTSell$5.81$4.73-18.6%+18.6%Correct so far
STXSSell$1.39$1.11-20.1%+20.1%Correct so far
SPHRSell$147.34$106.41-27.8%+27.8%Correct so far
SRGStrong Sell$2.11$1.60-24.2%+36.3%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.

Research disclaimer

This material is provided for research and educational purposes only. It is not investment advice, a recommendation, or an offer to buy or sell any security or strategy.

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