Yuki Nakayama
Yuki Nakayama
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MT5 tools that survived the testing — not the marketing.

I'm an independent developer based in Japan, building indicators and Expert Advisors for MetaTrader 5. I approach the market as a systematic researcher, not a marketer.

Every tool here passes the same filter I run on my own strategies before I trust them with real money: large-scale backtests with realistic spread, commission and slippage, and a strict check for look-ahead bias. Most ideas don't survive that filter — and when they don't, I drop them. That's why this catalog is deliberately small, and why a tool being here means it earned its place.

What you can expect:
• No doctored results, no "99% win rate," no black boxes.
• An honest description of what each tool does — and what it doesn't.
• A free version of almost everything, so you can judge the work before spending anything.

Found a bug, or an idea to make a tool better? Tell me — I read every comment and ship updates.
Yuki Nakayama
One Decision, Four Rulers: Re-measuring the Window Length of My Gold EA gönderisini yayınladı
This is the fifth entry in the incubation diary for my gold breakout EA. The EA places a buy stop at the highest high and a sell stop at the lowest low of the last N closed M15 bars, only during 10:00 to 13:59 UTC, with an initial stop of 0.5 ATR and a trailing exit...
Yuki Nakayama
Execution Caliper ユーザーガイド:初期設定・パネルの読み方・全設定項目(無料版・Pro) gönderisini yayınladı
Execution Caliper とは Execution Caliper は自動売買ロボットではなく計器です。チャート1枚の上に置いて、あなたの口座がその銘柄でいくら執行コストを課すかを測り、そのコストを、これから走らせようとしている EA のストップ幅で割ります。出てくるのは1つの比率、つまりストップに対するコストの割合です...
Yuki Nakayama
Execution Caliper User Guide: Setup, Reading the Panel, and Every Setting (Free and Pro) gönderisini yayınladı
What Execution Caliper is Execution Caliper is not a trading robot. It is a meter. It sits on one chart and measures the execution cost your account charges on that symbol, then divides that cost by the stop distance of the EA you are thinking of running...
Yuki Nakayama ürün yayınladı

Bu nedir Execution Caliper Pro bir ölçüm cihazıdır, bir alım satım robotu değildir. Hesabınızın aynı anda beş sembolde ne kadar gerçekleştirme maliyeti yüklediğini ölçer, bu maliyetlerin her birini o sembol için girdiğiniz stop genişliğine böler, ardından kendi kapanmış işlem geçmişinizi okuyarak aynı ölçümün zaten yaptığınız işlemlerde nasıl göründüğünü gösterir. Emir göndermez, pozisyon açmaz ve terminaldeki diğer EA'lara ait hiçbir şeye dokunmaz. Kazanmak konusunda da hiçbir iddiada bulunmaz

Yuki Nakayama
Same program, three profit factors: the signal identifiers, the recomputation, and three corrections gönderisini yayınladı
When I published the launch post for Execution Caliper on 21 September 2026, its central example was one EA run on three accounts, showing profit factors of 1.08, 1.79 and 2.39...
Yuki Nakayama
Execution Caliper is live: a free meter for what your account charges an EA gönderisini yayınladı
Today I published a free utility on the Market called Execution Caliper . This post is the record of what it measures, what it deliberately refuses to do, and how it ended up with a different name and a different job from the one I started with...
Yuki Nakayama ürün yayınladı

Bu nedir Execution Caliper bir ölçüm cihazıdır, bir alım satım robotu değildir. Tek bir grafiğin üzerinde durur, hesabınızın o sembolde ne kadar gerçekleştirme maliyeti yüklediğini ölçer, sonra bu maliyeti çalıştırmayı düşündüğünüz EA'nın stop genişliğine böler. Ortaya tek bir oran çıkar: stopunuzun içinde maliyetin payı. Emir göndermez, pozisyon açmaz ve terminaldeki diğer EA'lara ait hiçbir şeye dokunmaz. Kazanmak konusunda da hiçbir iddiada bulunmaz. Sizi kârlı, daha güvenli ya da daha iyi

Yuki Nakayama
Twenty-Five Fills, None in My Favour: Measuring Entry Slippage Without a Backtest gönderisini yayınladı
This is the fourth entry in a public incubation diary for a gold expert advisor that is not for sale and may never be, depending on what the verification says...
Yuki Nakayama
Five Percent of the Trades, All of the Profit: Why My Gold EA Has No Take-Profit gönderisini yayınladı
This is the third entry in a public incubation diary for a gold Expert Advisor I am building toward a release around December 2026 or January 2027. The rule I set for myself is that everything goes in the diary — the measurements that came out the way I expected, and the ones that did not...
Yuki Nakayama
Seven Checks, Two False Passes: Auditing an EA Against Its Own Backtest gönderisini yayınladı
This is the second entry in a public incubation log for a gold breakout EA I am not selling yet. The first entry audited five trading days of live forward testing and found that only one of them had produced a valid measurement...
Yuki Nakayama
Five Trading Days, One Valid Measurement: Auditing a Live Forward Test gönderisini yayınladı
Over the next several months I am going to publish the full incubation record of one Expert Advisor — a session breakout system on gold, M15 — from validation through live forward testing. Not the marketing version. The actual record, including the parts where nothing worked...
Yuki Nakayama
The Zone That Vanished: Why Order Blocks Leave Your Chart Without Price Ever Breaking Them gönderisini yayınladı
Every few weeks someone asks me a version of the same question: "Your indicator removed a zone from my chart, but price never went through it. Is that a bug?" It is a fair question, and for a long time my answer was too short...
Yuki Nakayama
When Yen Crosses Stop Moving Together: Reading the AUD/JPY Fracture Line gönderisini yayınladı
The Bank of Japan left its policy rate at 1.0% on 31 July, an 8–1 decision with the dissenter arguing for 1.25%, and warned that underlying inflation is likely to run clearly above target from the second half of its fiscal year...
Yuki Nakayama
Zones, Agreement, and Survival: One Workflow from Entry to Risk gönderisini yayınladı
This is the fifth post in the order block series. The last one was a before-and-after story about adding a confirmation requirement to naked zone entries, and it ended where most posts about entries end: with a cleaner signal and a smaller trade count...
Yuki Nakayama
The Real Yield Flip: Trading Gold Through the 2026 Hike-or-Cut Uncertainty gönderisini yayınladı
A trader I know spent most of June convinced that gold had to go up. His reasoning was simple, and on the surface it was not wrong: inflation was finally cooling, the June CPI print came in soft, the annual rate dropped to its lowest level in years...
Yuki Nakayama
One Order Block Was Never Enough: A Before/After Look at Adding Confirmation gönderisini yayınladı
This is the fourth post in the order block series. The last one was a checklist for auditing any zone indicator, including ours, and it ended with an exercise: pick a chart, fix your rules in advance, and tally what actually happens after every zone touch for two weeks...
Yuki Nakayama
The Order Block Skeptic's Checklist: 5 Tests to Run Before You Trust Any Zone gönderisini yayınladı
Search "order block indicator" in any trading forum and you will find two crowds talking past each other. One insists order blocks are the closest thing retail trading has to reading institutional footprints...
Yuki Nakayama
Order Block Mitigation: When a Zone Is Still Worth Trading gönderisini yayınladı
The first post in this series covered a simple routine for the London open: frame the Asian range, mark fresh H1 order blocks, wait for a sweep and a reaction...
Yuki Nakayama
How Order Blocks Form, Mitigate, and Die on MT5 (No Repaint Indicator) gönderisini yayınladı
Most order block indicators for MT5 have one habit that quietly ruins them: they redraw their zones after the fact. A box that was not on your chart an hour ago suddenly appears exactly where price bounced, and your backtest looks flawless while your live account does not...
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