Error code:   JWTInvalidSignature
Exception:    InvalidSignatureError
Message:      Signature verification failed
Traceback:    Traceback (most recent call last):
                File "/src/libs/libapi/src/libapi/jwt_token.py", line 286, in validate_jwt
                  decoded = jwt.decode(
                      jwt=token,
                  ...<2 lines>...
                      options=options,
                  )
                File "/usr/local/lib/python3.14/site-packages/jwt/api_jwt.py", line 368, in decode
                  decoded = self.decode_complete(
                      jwt,
                  ...<8 lines>...
                      leeway=leeway,
                  )
                File "/usr/local/lib/python3.14/site-packages/jwt/api_jwt.py", line 265, in decode_complete
                  decoded = self._jws.decode_complete(
                      jwt,
                  ...<3 lines>...
                      detached_payload=detached_payload,
                  )
                File "/usr/local/lib/python3.14/site-packages/jwt/api_jws.py", line 270, in decode_complete
                  self._verify_signature(
                  ~~~~~~~~~~~~~~~~~~~~~~^
                      signing_input,
                      ^^^^^^^^^^^^^^
                  ...<4 lines>...
                      options=merged_options,
                      ^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/jwt/api_jws.py", line 417, in _verify_signature
                  raise InvalidSignatureError("Signature verification failed")
              jwt.exceptions.InvalidSignatureError: Signature verification failed

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Crypto-Chart-Dataset

Candlestick chart image dataset for cryptocurrency price prediction research.

Overview

Item	Value
Tickers	15 (BTC, ETH, BNB, XRP, ADA, DOGE, LTC, LINK, XLM, TRX, ETC, XMR, NEO, EOS, IOTA)
Total Images	29,080
Period	2015 – 2025
Image Size	~480×480 px (4×4 inch, 120 dpi)
Labels	6-class forward return (±3%/±5%/±7%, adjusted for crypto volatility)

Download

Download crypto_images.zip from the Files tab and extract:

unzip crypto_images.zip

Chart Specification

Same as SP500-Chart-Dataset:

OHLCV candlestick (Charles style) + Volume bars
MA5 (blue dotted), MA60 (red dashed), MA120 (green solid)
Bollinger Bands (grey shaded area, α=0.15)
Percentage-normalized prices (scale-invariant across tickers)

Label Definition

Thresholds adjusted for higher crypto volatility:

Label	Return Range
`down_7plus`	r < −7%
`down_5_7`	−7% ≤ r < −5%
`down_3_5`	−5% ≤ r < −3%
`up_3_5`	3% < r ≤ 5%
`up_5_7`	5% < r ≤ 7%
`up_7plus`	r > 7%

Returns in [−3%, +3%] are excluded as ambiguous.

Citation

@misc{sp500chart2025,
  title={SP500-Chart-Dataset},
  author={Ahn, Jaehyun},
  year={2025},
  howpublished={\url{https://github.com/JaehyunAhn/SP500-Chart-Dataset}},
  note={Yonsei University}
}

License

CC BY 4.0

Downloads last month: 7

Total file size:

572 MB