BAND · Bandwidth
Conviction · Low · more likely to lag the S&P 500 over the next three months
Wrong if: a daily close above $63.74
Note written ·
Price against the kill line
31.3% clear of its kill line on the 13 November 2026 close.
How to read this
This note expects the shares to lag the market, so its kill line sits above the price: a close above the red mark would prove the view wrong. Prices run from low on the left to high on the right. The dot is where the stock closed on 13 November 2026, left of the mark while it is below the line; a dot right of the mark has closed through it.
The scale is stretched near the line, so close calls are easy to see. More than 8% from the line, the stock reads well clear, with a hollow dot to show the figure is off the drawn scale.
The kill line is the research note's own test. The portfolio sells on business facts, not on a price. How the portfolio decides
Three months against the kill line
Daily closes, to . Red: the kill line, a daily close above $63.74, on record since 11 November 2026. The shares are down 17.1% since the close; the S&P 500 is down 2.1% over the same sessions. Figures in the note can cover a different window.
Kill line
A daily close above $63.74, a level the shares last reached in the October rally, which would show them leading the S&P 500 again; fourth-quarter revenue above the $247 million top of the guide would point the same way.
Research onlyNot in the portfolio.
Key figures from the filings · Technology
Quarter to 30 September 2026, filed 29 October 2026; valuation at the 13 November 2026 close
- Revenue, latest quarter ($M)
- 234
- Revenue, change on a year (%)
- +22.0
- Gross margin (%)
- 36.2
- Operating margin (%)
- 0.8
- Free cash flow, four quarters ($M)
- 96.4
- Net cash, cash less debt ($M)
- −135
- Price to earnings (×)
- 200.7
- Enterprise value to sales (×)
- 2.2
All filed numbers
What Bandwidth reports to the SEC in its quarterly and annual filings. Each group states its period and filing date once; a figure dated otherwise says so. Built from the filings known on .
| Quarter to | Revenue ($M) | On a year (%) | Gross margin (%) | Operating margin (%) |
|---|---|---|---|---|
| first filed | 234 | +22.0 | 36.2 | 0.8 |
| first filed | 220 | +22.2 | 35.7 | −2.1 |
| first filed | 209 | +19.8 | 37.3 | −2.2 |
| first filed | 208 | −1.1 | 37.6 | −1.9 |
| first filed | 192 | −1.0 | 38.5 | −1.0 |
| first filed | 180 | +3.7 | 39.8 | −2.1 |
| Pre-tax income ($M) | Not reported |
| Net income ($M) four quarters: 8.8 | 5.2 |
| Diluted shares, change on a year (%) against the quarter to 30 September 2025 | +32.6 |
| Operating cash flow ($M) | 114 |
| Capital spending ($M) | 17.5 |
| Free cash flow ($M) | 96.4 |
| Cash and short-term investments ($M) | 176 |
| Debt ($M) non-current long-term debt | 311 |
| Net cash, cash less debt ($M) | −135 |
| Deferred revenue ($M) −22.2% on a year | 11.1 |
| Backlog, orders not yet delivered ($M) | Not reported |
| Receivables ($M) | 118 |
| Inventory ($M) | Not reported |
| Shareholders' equity ($M) | 382 |
| Market value ($M) | 1,756 |
| Enterprise value, market value plus net debt ($M) | 1,891 |
| Enterprise value to sales (×) | 2.2 |
| Enterprise value to operating income (×) | Not meaningful |
| Price to earnings (×) | 200.7 |
| Price to book value (×) | 4.6 |
| Free-cash-flow yield (%) | 5.5 |
Short interest (FINRA, settled 15 October 2026, published 26 October 2026): 12.8% of shares outstanding sold short, 7.0 days of average trading to cover, +8.4% since the previous report.
| Window | Bought | Sold |
|---|---|---|
| 90 daysfrom | $0 | $2.2M |
| 12 monthsfrom | $0 | $20.0M |
The thesis
Bandwidth's shares are more likely to lag the S&P 500 than lead it over the next three months, even after a sharp rebound. The company reported no separate artificial intelligence (AI) revenue line, so the case needs fourth-quarter results, expected in February 2027, to show revenue inside or above the $242–247 million guide with gross margin holding.
The shares closed at $46.29 on 12 November 2026, up from $37.80 on 5 November 2026. They closed at $43.57 on 10 November 2026 and $48.07 on 11 November 2026, the sessions around the company's Reverb keynote, where Bandwidth announced "Super Intelligence" innovations, per company news dated 10 November 2026. The last close is 41.5% below the 52-week intraday high of $79.08 on 9 July 2026 and 14.2% below the $53.97 close of 14 August 2026, so the market has given back much of the premium it paid for the AI voice story and has not rebuilt it.
Bandwidth reported third-quarter revenue of $234.0 million on 29 October 2026, within its $231–235 million guide, and raised the low end of full-year revenue guidance to $905–910 million. A product announcement matters to the call only when it shows up in reported communications revenue or in guidance. Fourth-quarter revenue above $247 million would show the shares leading.
Bullish and bearish views on Bandwidth Inc.
The bull case on Bandwidth Inc. (BAND), in brief: results met every guided line. The bear case: GAAP gross margin fell year over year.
Bull case
- Results met every guided line. Third-quarter revenue was $234.0 million, up 22% from a year earlier. Adjusted earnings before interest, taxes, depreciation and amortization were $35 million, up 43%, per the 8-K filed 29 October 2026.
- Cash generation roughly doubled. Free cash flow was $33 million against $13 million in the third quarter of 2025, and GAAP net income was $5.2 million, per the same filing.
- Full-year guidance moved up. Revenue guidance is $905–910 million, up from $900–910 million, and adjusted earnings per share guidance is $1.73–1.79, up from $1.71–1.79, per the 29 October 2026 release.
- Fourth-quarter guide sits at consensus. Bandwidth guided to $242–247 million of revenue and $0.52–0.58 of adjusted earnings per share, against estimates of $244.0 million and $0.51, per 29 October 2026 company news.
- Analyst targets sit above the price. Morgan Stanley raised its Equal-Weight target to $57 on 30 October 2026. MarketBeat's average target was $59.43 on 30 October 2026, with four Buy, four Hold and one Sell rating.
Bear case
- GAAP gross margin fell year over year. It was 36% in the third quarter against 38% a year earlier, per the 8-K filed 29 October 2026. Non-GAAP gross margin was 61% against 58%, so the two measures are moving apart.
- The earnings beat did not hold. The shares closed at $53.11 on 29 October 2026 and fell 10.6% to $47.46 intraday on 30 October 2026 on volume about half the 881,128-share average, per MarketBeat. They closed at $37.80 on 5 November 2026.
- Convertible debt exceeds cash. Cash was $171.3 million at 30 September 2026 against $310.6 million carrying value of convertible senior notes, per the 8-K. Hedging by holders of the 2032 notes, which convert at $72.64, can add selling pressure.
- Insiders have sold steadily. Form 4 filings show director Lukas Roush sold 1,500 shares at $49.04 on 16 October 2026. CFO Daryl Raiford sold 7,227 shares at an average $48.99 on 2 September 2026. All three sales ran under Rule 10b5-1 trading plans.
- Rating agencies have turned cooler. Weiss Ratings cut the shares to Sell (D+) on 23 October 2026, and Zacks cut them to Hold on 3 July 2026, per MarketBeat.
Price setup
The last close was $46.29 on 12 November 2026. That is below the 50-day average of $50.6 and above the 200-day average of $42.37, both as of 12 November 2026. The shares closed at $37.80 on 5 November 2026, below the 200-day average, and recovered above it by 9 November 2026 at $41.86 and 10 November 2026 at $43.57.
The 52-week intraday high is $79.08 on 9 July 2026, and the 52-week closing low is $12.82 on 12 February 2026. The 3-month change is −14.2%. The five-session rebound has not yet reclaimed the 50-day average, and the 29 October 2026 close of $53.11 sits above the last close.
The 2032 convertible notes convert at $72.64, well above the market.
Catalysts ahead
- ~18 February 2027 (est.): Fourth-quarter and full-year 2026 results, estimated from last year's 19 February 2026 report date. Tests the $242–247 million fourth-quarter revenue guide and whether GAAP gross margin holds at 36% after the Reverb product announcements.
What would change the view
A daily close above $63.74, a level the shares last reached in the October rally, which would show them leading the S&P 500 again; fourth-quarter revenue above the $247 million top of the guide would point the same way.
What it trades with
Bandwidth trades with small-cap cloud-communications and software shares, including Twilio and Sinch, on messaging price and carrier-fee news. Twilio or Sinch guiding messaging gross margin lower would press on the same part of the case.
The shares moved 10.6% on 30 October 2026 and rose across 9 November to 11 November 2026 with no change in reported numbers, so attention and convertible hedging have set the price more than results.
The evidence, claim by claim (8)
- Third-quarter 2026 revenue was $234.0 million, up 22% from a year earlier. Adjusted EBITDA was $35 million, free cash flow $33 million and GAAP net income $5.2 million. GAAP gross margin was 36% against 38% a year earlier. Third-quarter 2026 results, 8-K Exhibit 99.1 · as of
- Full-year 2026 guidance is $905–910 million revenue, $124–125 million adjusted EBITDA and $1.73–1.79 non-GAAP earnings per share. Fourth-quarter guidance is $242–247 million revenue and $0.52–0.58 adjusted earnings per share. Third-quarter 2026 results release · as of
- Cash and equivalents were $171.3 million and convertible senior notes were carried at $310.6 million. Third-quarter 2026 8-K Exhibit 99.1 · as of
- Shares fell 10.6% to $47.46 intraday from a $53.11 prior close, on volume about half the 881,128-share average. MarketBeat instant alert · as of
- Morgan Stanley raised its Equal-Weight price target on Bandwidth to $57. Company news, Morgan Stanley action · as of
- MarketBeat consensus was Hold with a $59.43 average target; four Buy, four Hold and one Sell rating. MarketBeat · as of
- Director Lukas Roush sold 1,500 shares at $49.04 on 16 October 2026 under a Rule 10b5-1 plan. SEC Form 4 filed 19 October 2026 · as of
- Bandwidth announced Super Intelligence innovations at its Reverb keynote. Company news release · as of
Sources
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