TOP TIERMARKET NEWSWIRE
Movers explained · 2026-08-03

Archived explainer. For the current picture see today's CBOE page.

Why Is CBOE GLOBAL MKTS INC (CBOE) Stock Down Today?

By the Top Tier Newswire AI Desk · August 3, 2026 at 10:35 AM ET · reviewed against 3 wire stories

CBOE GLOBAL MKTS INC (CBOE) is down -4.29% in the latest session. Our newswire has captured 3 stories on CBOE across 2 sources in the last 36 hours, with AI sentiment reading mixed (avg 53/100).

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CBOE Global Markets Inc (CBOE) fell 4.29% to $296.92 in Friday trading, marking one of its largest intraday declines in recent months. The move followed the completion of the sale of Cboe Australia to TMX Group, which was announced on August 2 and renamed TMX Australia Exchange. The transaction has shifted investor focus to the company’s strategic direction and potential earnings implications.

What Happened

Cboe Global Markets finalized the sale of its Cboe Australia subsidiary to TMX Group on August 2. The deal, which had been in the works for several months, transfers control of the Australian exchange to TMX, a move that has been framed as an opportunity to expand access for small and medium-sized enterprises in the Australian market. TMX Group’s CEO, Luc Fortin, emphasized the potential for increased value and market participation through the renamed TMX Australia Exchange. Meanwhile, Trading Technologies’ FX team participated in a symbolic closing bell ceremony at Cboe’s Chicago headquarters, highlighting ongoing partnerships but not directly addressing the recent stock decline.

What The Data Shows

CBOE opened the session at $310.94 and quickly declined throughout the morning, hitting a session low of $296.39 at 10:35 AM ET. The stock closed near its low at $296.92, with volume of 0.1 million shares, which is 0.1 times the 3-month daily average. The stock has traded between $227.15 and $371.18 over the past 52 weeks. With a market cap of $32.4 billion, Cboe trades at a P/E of 24.2 and has reported revenue growth of 11.7% in the trailing twelve months. The stock’s beta of 0.44 suggests relatively low volatility compared to the broader market.

What To Watch

Cboe’s second-quarter results were released earlier in the week, with adjusted earnings per share of $3.56, beating estimates. However, the recent strategic shift with the sale of Cboe Australia may prompt further analyst commentary in the coming days. Investors should also monitor coverage breadth, as three stories from two sources have appeared in the last 36 hours, signaling ongoing interest in the company’s strategic moves.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

CBOE by the numbers

Last: $296.92Session: -4.29%Coverage: 3 stories / 2 sourcesAI sentiment: 53/100 (mixed)Mkt cap: $32.4BP/E: 24.252w: $227.15 to $371.18
CBOE · Aug 3 session (5-min) · -4.00% vs prior close · updated 8:56 PM ET
$292$302$312prev close $310.23$297.838:05 AM10:41 AM1:17 PM3:53 PM6:30 PM8:05 AM · $310.948:15 AM · $310.869:25 AM · $307.019:30 AM · $303.909:35 AM · $302.439:40 AM · $304.659:45 AM · $306.379:50 AM · $303.589:55 AM · $301.5210:00 AM · $299.9410:05 AM · $299.7910:10 AM · $300.0010:15 AM · $299.6910:20 AM · $298.1510:25 AM · $298.2010:30 AM · $297.2110:35 AM · $295.8410:40 AM · $295.5010:45 AM · $296.0910:50 AM · $297.2910:55 AM · $296.0211:00 AM · $296.0811:05 AM · $296.4011:10 AM · $297.9311:15 AM · $296.9111:20 AM · $296.8811:25 AM · $297.0011:30 AM · $297.6111:35 AM · $298.7211:40 AM · $297.0311:45 AM · $297.3611:50 AM · $297.3711:55 AM · $296.3812:00 PM · $295.8312:05 PM · $296.0812:10 PM · $294.4012:15 PM · $294.1012:20 PM · $294.3812:25 PM · $294.9012:30 PM · $294.5012:35 PM · $293.7912:40 PM · $292.6912:45 PM · $293.0612:50 PM · $293.7912:55 PM · $293.611:00 PM · $293.591:05 PM · $293.431:10 PM · $294.001:15 PM · $294.371:20 PM · $294.611:25 PM · $296.391:30 PM · $295.601:35 PM · $295.961:40 PM · $296.031:45 PM · $296.091:50 PM · $296.721:55 PM · $296.992:00 PM · $297.422:05 PM · $297.812:10 PM · $297.752:15 PM · $298.092:20 PM · $297.402:25 PM · $297.512:30 PM · $297.342:35 PM · $297.592:40 PM · $297.292:45 PM · $297.312:50 PM · $297.012:55 PM · $296.093:00 PM · $296.533:05 PM · $296.273:10 PM · $297.253:15 PM · $297.473:20 PM · $296.943:25 PM · $296.513:30 PM · $297.493:35 PM · $297.953:40 PM · $297.813:45 PM · $298.363:50 PM · $297.953:55 PM · $298.094:00 PM · $299.134:10 PM · $297.834:25 PM · $297.835:25 PM · $297.836:30 PM · $297.83
AI sentiment, last 36h · averaged over 3 stories · 53/100 neutral
AI sentiment 53/100 (neutral)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 3 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishPR Newswire · sentiment 55 · Cboe Completes Sale of Cboe Australia to TMX GroupPR Newswire · 55Cboe Completes Sale of Cboe Australia to TMX GroupCNBC · sentiment 50 · TMX Group's President & CEO on acquiring Cboe AustraliaCNBC · 50TMX Group's President & CEO on acquiring Cboe AustraliaPR Newswire · sentiment 55 · Trading Technologies' TT® FX Team Rings Closing Bell at Cboe Global MarketsPR Newswire · 55Trading Technologies' TT® FX Team Rings Closing Bell at Cboe Global Markets
7d agoPR NewswireBULLISH 55General

Trading Technologies' TT® FX Team Rings Closing Bell at Cboe Global Markets

CHICAGO, Aug. 3, 2026 /PRNewswire/ -- Trading Technologies International, Inc. (TT), a global capital markets technology platform services provider, announced that its TT FX team, led by Tomo Tokuyama, EVP, Managing Director, FX, will ring the closing bell tomorrow, Aug. 4, at Cboe Global...

7d agoCNBCNEUTRAL 50M&A

TMX Group's President & CEO on acquiring Cboe Australia

TMX Global Markets and Post Trade's Luc Fortin says TMX Australia Exchange will open up opportunities for SMEs to get publicly listed in Australia markets and unlock more values, as the market operator announces the acquisition of Cboe Australia from Cboe Global Markets today.

8d agoPR NewswireBULLISH 55General

Cboe Completes Sale of Cboe Australia to TMX Group

CHICAGO, Aug. 2, 2026 /PRNewswire/ -- Cboe Global Markets, Inc. (Cboe: CBOE), a leading global markets operator and pioneer in equity and index derivatives, today announced it has completed the sale of Cboe Australia (now TMX Australia Exchange) to TMX Group Limited (TMX Group). "Over the...

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More on CBOE: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier CBOE move explainers: 2026-08-03