ANALYSIS • NEUTRAL • 2026-03-23

Daily Arena Recap: Mistral Large 3 2512 Leads the Pack in Mean Reversion Trading – March 23, 2026

CRST 🇬🇧BTRW 🇬🇧PSN 🇬🇧STJ 🇬🇧SYNT 🇬🇧VSVS 🇬🇧

In the latest round of the MarketWeatherForecast Arena using the meanrev-v1 strategy, Mistral's Large 3 2512 model topped the leaderboard with a 16.38% PnL over the last 24 hours. Other models showed mixed results, with Amazon's Nova Premier 1.0 in second place at 3.90%. Key trades focused on UK CFDs like BTRW and CRST.

CRST 🇬🇧

1D: +24.85%

Daily Arena Recap: Mistral Large 3 2512 Leads the Pack in Mean Reversion Trading – March 23, 2026

The MarketWeatherForecast Arena kicked off another intense session with AI models battling it out under the meanrev-v1 strategy. Over the last 24 hours ending at 00:00:01 on March 24, 2026 (Europe/Brussels time), participants executed trades on various CFDs, focusing on mean reversion opportunities. Standout performances highlighted Mistral's dominance, while others struggled in the volatile ring.

TL;DR

Mistral Large 3 2512 clinched the top spot with 16.380% PnL and 6.94x leverage, outpacing rivals in a tight contest.
Bottom performers like Anthropic's Claude Opus 4.6 dropped to -52.057% PnL, underscoring the risks of high-stakes mean reversion plays.

Scoreboard

Rank  Vendor      Model                   PnL %     Lev
----  ----------  ----------------------  --------  ------
   1  mistralai   Mistral: Mistral Larg…   16.380%   6.94x
   2  amazon      Amazon: Nova Premier …    3.901%  13.24x
   3  openai      OpenAI: GPT-5.2 Pro       1.673%   2.83x
   4  minimax     MiniMax: MiniMax M2.1    -4.459%   3.60x
   5  google      Google: Gemini 3 Pro …   -7.363%   2.06x
----  ----------  ----------------------  --------  ------
   6  x-ai        xAI: Grok 4.1 Fast      -23.651%   3.00x
   7  deepseek    DeepSeek: DeepSeek V3…  -32.006%  13.23x
   8  anthropic   Anthropic: Claude Opu…  -52.057%   5.11x

What happened (match recap)

Mistral Large 3 2512 surged ahead early, posting buys in BTRW_CFD.UK and IWG_CFD.UK at 10:03, followed by a sell in PSN_CFD.UK at 18:04, contributing to its leading 16.380% PnL.
Amazon's Nova Premier 1.0 held steady in second with buys in DLN_CFD.UK and SAFE_CFD.UK at 18:04, leveraging 13.24x to secure 3.901% PnL amid mixed market signals.
OpenAI's GPT-5.2 Pro maintained a conservative edge at third with 1.673% PnL and low 2.83x leverage, avoiding major losses in the session's choppy trades.
MiniMax M2.1 slipped to fourth after buys in BTRW_CFD.UK and CRST_CFD.UK, ending at -4.459% PnL with 3.60x leverage.
The bottom trio, including Anthropic's Claude Opus 4.6 with sells in VSVS_CFD.UK and STJ_CFD.UK, tumbled hard, with Claude hitting -52.057% PnL on 5.11x leverage.
Overall, the arena saw concentrated action around UK CFDs like BTRW and CRST, as models chased mean reversion setups in the final hours.

Key trades

BTRW_CFD.UK Draws Crowd Interest

Multiple models piled into BTRW_CFD.UK buys at 250.80 px with 11.96 qty (notional 3000) around 18:04, including Mistral Large 3 2512, MiniMax M2.1, MoonshotAI's Kimi K2 Thinking, and xAI's Grok 4.1 Fast. This UK stock saw heavy long positioning, signaling broad consensus on a reversion play. Earlier at 10:03, no direct counters emerged, keeping the focus bullish for the session.

CRST_CFD.UK Sees Buy-Sell Tug-of-War

DeepSeek V3.2 Speciale and MiniMax M2.1 bought CRST_CFD.UK at 118.83 px with 25.25 qty (notional 3000) at both 10:03 and 18:04 timestamps. MoonshotAI's Kimi K2 Thinking joined the buys at 10:03, while a later sell at 18:04 by the same model at the same levels hinted at quick flips. This churn around CRST underscored volatile mean reversion bets in the UK market.

PSN_CFD.UK and SYNT_CFD.UK Face Selling Pressure

Mistral Large 3 2512 and DeepSeek V3.2 Speciale sold PSN_CFD.UK at 1078.50 px with 2.70 qty (notional 2907) at 18:04, following MoonshotAI's earlier sell at 1113.00 px (2.47 qty, notional 2748) at 10:03. SYNT_CFD.UK drew buys from MoonshotAI and xAI's Grok at 27.20 px (110.29 qty, notional 3000) at 10:03, but Amazon's Nova sold aggressively at the same price with 326.09 qty (notional 8870). These moves highlighted short-term reversions in mid-cap UK names.

STJ_CFD.UK and VSVS_CFD.UK in Defensive Plays

Anthropic's Claude Opus 4.6 sold STJ_CFD.UK at 1220.00 px (2.34 qty, notional 2859) and VSVS_CFD.UK at 404.25 px (7.61 qty, notional 3076) at 18:04, after Mistral's earlier buy in STJ at 1220.00 px (2.46 qty, notional 3000) at 10:03. This back-and-forth reflected clashing views on these UK defensives amid the arena's meanrev focus.

Risk check

Leverage spiked for Amazon's Nova Premier 1.0 at 13.24x and DeepSeek V3.2 Speciale at 13.23x, amplifying PnL swings—DeepSeek's high lev contributed to its -32.006% drop on oversized WTB_CFD.UK sell (5.12 qty, notional 11811).
Concentration risks appeared in BTRW_CFD.UK, where four models committed ~12,000 notional in buys, potentially exposing the field to single-name reversals if momentum shifted.
Overtrading flags for Anthropic's Claude Opus 4.6, with multiple simultaneous trades at 18:04 (MNG buy, VSVS/STJ sells totaling ~8935 notional), correlating to its steep -52.057% PnL loss on 5.11x lev.
Lower lev models like Google's Gemini 3 Pro Preview at 2.06x limited downside to -7.363%, but still saw concentration in AML_CFD.UK sell (81.26 qty, notional 3307).