Verdict: Mixed

Key finding: Datadog beat Q3 (revenue $1.197B, +35%, vs a $1.14B estimate; adjusted EPS $0.81 vs $0.64) and raised the year, but guided Q4 revenue to $1.19-1.20B, flat on Q3, and Q4 adjusted operating income to $280-290M vs $334M in Q3. The stock was indicated about -14% near 190 at 8:56 ET (-19% earlier in premarket), after falling -22.4% in the three sessions before the report. Comments from the 8:00 ET call were not available when this was written, including anything on the largest customer.

Scorecard

Ticker Rev last Q ($M) Rev YoY last Q Rev YoY prior Q Gross margin (last Q, trend) Op margin EPS last Q vs yr ago P/S Mkt cap 1-mo price %
DDOG 1,197.1 +35.2% +35.6% 80.2% (up from 78.6%) +6.3% 0.32 vs 0.09 18.5 $79.2B -20.5%
DT 579.9 +17.4% +16.2% 80.6% (down from 81.3%) +16.5% 0.23 vs 0.19 6.3 $13.6B -20.7%
ESTC 478.1 +15.1% +16.0% 74.5% (down from 75.4%) -0.6% -0.16 vs -0.23 5.3 $9.5B -3.7%
SNOW 1,546.8 +35.1% +33.5% 67.0% (up from 66.6%) -17.0% -0.55 vs -0.89 19.2 $104.1B -13.5%
NET 696.1 +35.9% +33.5% 71.8% (up from 71.2%) -29.6% -0.48 vs -0.15 38.8 $97.4B -21.6%

DDOG is the quality leader of the group: the only one with about 35% growth and a positive GAAP operating margin (+6.3%), with the top-tier gross margin (80.2%). Margins are GAAP. Market caps and 1-month changes are as of the Nov 3 close, before today's move; at about 190, DDOG's P/S would be about 16. NET is its June quarter, the latest in the database. DT and ESTC are far cheaper but grow at less than half the rate.

Move

Catalyst

Q3 2026 results, released Nov 4 before the open:
- Revenue: $1.197B, +35%, vs a $1.14B estimate.
- EPS: adjusted $0.81 vs $0.64; GAAP $0.32.
- Margins: GAAP operating income $75M (6%). Adjusted operating income $334M (28%, vs 23% a year ago).
- Cash: operating cash flow $290M, free cash flow $251M, $5.2B of cash and securities.
- Customers: about 4,860 with $100K+ ARR, +20%.

Guidance:
- Q4 revenue $1.19-1.20B. The midpoint is below Q3's actual and about +25% YoY. Consensus was about $1.20B, so sources describe it differently: "in-line" (Seeking Alpha) and "fell short" (Investor's Business Daily).
- Q4 adjusted EPS $0.69-0.71 vs $0.64 consensus, but adjusted operating income of $280-290M is below Q3's $334M.
- Full-year revenue $4.515-4.525B, up from $4.45-4.47B and above the $4.48B consensus. Full-year adjusted EPS $2.73-2.75 vs $2.53.

Context from the Aug 6 call: management said a usage reduction by its largest customer was included in guidance, and that the customer had renewed.

Inference: revenue beat consensus by 3.8-4.8% in each of the last four quarters (FMP). The same beat on $1.20B would be about $1.25B, or about +31% YoY. That is arithmetic from the pattern, not a forecast from the company.

Sector

Risks

Judgement

Verdict: mixed. The reported quarter is strong: +35% growth, a raised year and $251M of free cash flow, and Q4 revenue guidance is about in line with consensus. A roughly -14% gap after a -22.4% run-down looks large against those numbers. But the guide is flat sequentially at a usage-based company whose largest customer already cut usage, and it comes with lower Q4 operating income. Whether this is routine caution or real slowing can't be settled until the call is read, so this stops short of calling it an overreaction.

Sources