What Is Out-of-Sample Testing? Why Can Data Not Used to Optimize a Strategy Better Test Its True Capabilities?
In cryptocurrency trading, a strategy may perform well in historical backtests but quickly fail in new market conditions. The problem may not lie in the trading logic itself; the strategy may instead be overfit to the historical data used for optimization. Out-of-sample testing is an important method for identifying this problem.
First, what is out-of-sample testing?
Out-of-sample testing means independently evaluating a strategy using data that was not used in its development or para

CryptoCircleBullSays an hour ago

$TRUMP Trading at 1.259, down 16.51% over 24H, with a range of 1.218–1.524. The 1H trend is weak, with RSI at 52.85 below EMA20 at 1.314; the 4H trend is weak, with RSI at 10.42 far below EMA20 at 1.469. The volume ratio is only 0.18, indicating insufficient buying pressure. A move higher requires holding above the 1.524 resistance; a break below the 1.218 support could signal further weakness. Key points to review: whether 1.524 can hold and whether price can recover after losing 1.218. With the volume ratio at 0.18, a single break through either level needs confirmation from participation; a

TRUMP-0.95%

Trenches

ZIG

0x8c...1145

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24h Vol

Holders

BTC

C5xp...pump

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HIGH

7ymF...high

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24h Vol

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STONK

6GmA...UNgx

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LEEROY

98HE...pump

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LiuBang 2 hours ago

What should a trading journal record to truly help improve your trading performance?
In cryptocurrency trading, many people focus on daily profits and losses but rarely carefully record why they entered or exited a trade, or what went wrong during execution. Without systematic records, traders are prone to repeating mistakes and find it difficult to determine whether a strategy actually works.
First, record the basic information for every trade. This includes the asset, direction, entry price, exit price, time, position size, and leverage. These data can help you reconstruct the trade rather t

LiuBeiPrince an hour ago

What Is Overfitting? Why Can More Finely Tuned Parameters Make a Strategy More Fragile?
In cryptocurrency trading, some strategies show increasingly high historical returns and increasingly attractive backtest curves after repeated parameter adjustments. However, once they enter live markets, their performance can quickly deteriorate. A common reason behind this is overfitting.
First, what is overfitting?
Overfitting occurs when a strategy adapts too closely to specific fluctuations and chance patterns in historical data, leading it to perform well in the past but lack the ability to adapt to

UQueen2 hours ago

Check the public filings. Canary has filed a Form 8-A for a staked $INJ ETF, ticker INJC, and the listing is already approved by Nasdaq. The S-1 is on its fifth amendment, near the end of the pre-effective stage.
The 8-A is one of the final steps before launch. A staked ETF means price exposure plus staking yield, regulated.
The filings are public for a reason 👀

INJ-1.67%

NDAQ+2.54%

CryptonajamX 2 hours ago

$magma very bullish
1.5$ coming 🔥🔥

MAGMA-0.57%

LiuBeiPrince 31 minutes ago

What is a trend-following strategy? Why can it perform well in strong trends but suffer repeated losses in choppy markets?
In cryptocurrency trading, trend following is a common approach: rather than trying to accurately predict tops and bottoms, traders look for entry opportunities after a trend forms and try to follow it for as long as possible. But this strategy is not suitable for all market conditions.
First, what is a trend-following strategy?
A trend-following strategy uses price structure, moving averages, or trend indicators to identify market direction, looking for long opportunities

BlackoutCryptoBoyan hour ago

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📌 Today’s check-in: Leave at lea

anasta_maverk2 hours ago

$AXTI SHORT SETUP — SELLERS STILL IN CONTROL!
$AXTI is down 12%, and the chart continues to show bearish pressure after a sharp rejection from 54.24.
Entry: 46.10
SL: 47.30
TP1: 45.30
TP2: 44.45
TP3: 43.50
Final Target: 42.00
The recent bounce looks weak, with sellers maintaining control below 47.30. Another rejection could push the price back toward 44.45, with further downside possible if that support breaks.
Invalidation: A sustained move above 47.30 weakens the bearish setup.

AXTI-7.44%

CryptoMishu24 minutes ago

#USNonfarmPayrolls #ShareWeekly
US Nonfarm Payrolls is one of the most closely watched releases on the economic calendar, and with Friday's October jobs report approaching, markets are once again trying to price the Federal Reserve's next move. Bitcoin is trading near 80,490.4 USDT on Gate spot, up 4.12 percent over the last 24 hours, a gain of about 3,316.20 USDT from roughly 77,174.20 USDT a day earlier. 24-hour quote volume is about 1.11 billion USDT, which signals active participation. Gold (XAUUSD) is near 4,138.66 USD, up 78.50 USD or about 1.93 percent from its previous close of 4,060.

Falcon_Officialan hour ago

🔥 What’s worth talking about today? Gate Square trending topics are live!
🔹 #BTCReturnsAbove80K
$BTC has rebounded back above $80,000. Can this recovery extend further?
🔹 #USNonfarmPayrolls
ADP employment beat expectations, putting the official payrolls, unemployment rate and wage data in focus.
🔹 #GoldBreaksAbove4100
Safe-haven demand has pushed $XAUUSD back above $4,100. Can gold extend the rally?
Quality content can get traffic support + Featured placement.
💰 Got a view? Share it:
https://www.gate.com/post/topic

Gate_Square2026-11-05 04:06:14

BTC-0.67%

ADP+2.57%

KunrenCrypto41 minutes ago

$BTC $ETH This 15-minute support
is still holding pretty firm
The two large positions haven't moved
Did a bit of other trading
to stay in practice
If it really can't break below the 15-minute support
I'll consider reducing my position a bit
#非农就业数据

BTC-0.67%

ETH-1.26%

Zelaira27 minutes ago

BTC, ETH, GT, XRP, DOGE

LIVE2,192

NekoZz an hour ago

🐋 WHALE WATCH : American Bitcoin posted Q3 2026 results 8427 $BTC in reserve up 5% from Q2.
The company mined 891 BTC in the quarter and generated $63.4M in revenue.

BTC-0.67%

BlackoutCryptoBoy2 hours ago

🔹Chip Stocks Are Falling, but Demand Hasnt Weakened? With Democratic Regulatory Expectations Shakin

LIVE3,391

LiuBeiPrince an hour ago

What Is Out-of-Sample Testing? Why Can Data Not Used to Optimize a Strategy Better Test Its True Capabilities?
In cryptocurrency trading, a strategy may perform well in historical backtests yet quickly fail in new market conditions. The problem may not necessarily lie in the trading logic itself; the strategy may also be overfitted to the historical data used for optimization. Out-of-sample testing is an important way to identify this issue.
First, what is out-of-sample testing?
Out-of-sample testing means using data that was not involved in strategy development or parameter optimization to in

Crypto_Buzz_with_Alex2 hours ago

#GoldBreaksAbove4100 #DailyStandouts $XAUT #ShareWeekly
Gold is back above $4,100, and the first question everyone asks is whether new highs are next. I think that is the wrong question for now. Here is how I see it in simple terms.
Where the move came from
Gold jumped more than 3% on Wednesday and added about 2% more on Thursday. From roughly $3,940 before the election to about $4,135 now is a gain of around 5% in two days. The reason was not fear. The dollar fell to a one month low, the 10 year yield slipped to about 4.89%, and oil dropped on hopes that tension with Iran will cool. That is

XAUT+0.34%

GreatOceanLawOfNature 2 hours ago

Market action can never escape structure!
Posted publicly in advance for all to see: short at 4136, add to the position at 4143; gold peaked at 4146.79 before falling to 4109.
Precisely called the top, precisely added to the position, and precisely captured the pullback swing—the timing, levels, and trend were all nailed! $XAU ‌

XAU+0.38%

KRenJizhaoSuperGod 25 minutes ago

Short setup $IDOL
Entry: 0.019 Take profit: 0.018 Stop loss: 0,02 Why short? The current trend is downward, with clear signs of a top forming, and it is gradually declining. There are far more people going long than short.

IDOL-6.71%

CryptoCircleBullSays 2 hours ago

$UNI Is Moving Higher on Low Volume—How Long Can This Move Last?
$UNI is currently priced at 7.667, up 4.355519259561724% over 24 hours, with an intraday high of 7.82 and a low of 7.255. The 1-hour and 4-hour trends are both leaning bullish, so at first glance, the direction appears consistently upward. But the 1-hour volume ratio is just 0.01884556425460747, indicating extremely low trading participation. The price has moved, but volume hasn’t followed. At times like this, focusing only on the color of the candlesticks can easily lead you to overestimate the move’s staying power.
The directio

UNI+3.05%

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