玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.81-19.91-3.211.73-30.8-23.1150.2524.752.9952.5644.1630.1648.3237.5930.7454.4930.924.37
24Q2 (19)2.2618.9524.862.5017.375.4940.28-15.75-19.9436.46-14.53-5.0535.12-13.26-5.8241.62-16.73-19.07
24Q1 (18)1.90-10.38-2.562.13-10.5-0.4747.8111.242.442.6611.530.0940.4911.42-2.4649.9811.344.56
23Q4 (17)2.1213.3710.992.385.787.6942.98-11.91-9.8638.25-5.27-7.0936.34-1.68-12.1244.89-14.02-5.51
23Q3 (16)1.873.313.312.25-5.066.6448.79-3.02-3.1940.385.16-6.2736.96-0.88-22.1252.211.5213.45
23Q2 (15)1.81-7.18-23.312.3710.75-15.3650.317.7530.5738.40-9.917.9737.29-10.174.3151.437.5945.57
23Q1 (14)1.952.09-15.582.14-3.17-2.7346.69-2.0818.3842.623.523.1241.510.39-0.9847.800.6123.04
22Q4 (13)1.915.52-15.492.214.7419.4647.68-5.418.6141.17-4.43-16.4141.35-12.87-23.0847.513.2433.16
22Q3 (12)1.81-23.31-15.022.11-24.64-5.3850.4030.8117.8943.0832.355.7747.4632.762.5546.0230.2623.71
22Q2 (11)2.362.1623.562.8027.2721.7438.53-2.31-19.3132.55-21.24-17.7635.75-14.72-23.3235.33-9.06-13.22
22Q1 (10)2.312.2118.462.2018.92-10.5739.44-1.89-15.3841.33-16.0811.8841.92-22.02-2.5338.858.88-4.17
21Q4 (9)2.266.19.181.85-17.04-26.8840.20-5.96-8.4949.2520.9237.0753.7616.1639.0935.68-4.09-13.42
21Q3 (8)2.1311.52-15.142.23-3.04-21.7542.75-10.4717.8340.732.9127.4446.28-0.7343.3737.20-8.623.45
21Q2 (7)1.91-2.05-6.832.30-6.513.347.752.457.5739.587.15-11.8146.628.3916.5840.710.42-17.39
21Q1 (6)1.95-5.85.412.46-2.7720.5946.616.1-5.1936.942.81-17.2743.0111.28-2.0940.54-1.63-18.74
20Q4 (5)2.07-17.5316.292.53-11.232.8543.9321.09-14.2535.9312.42-2.8938.6519.73-4.5741.2114.6-13.66
20Q3 (4)2.5122.440.02.8540.390.036.28-18.270.031.96-28.790.032.28-19.280.035.96-27.030.0
20Q2 (3)2.0510.810.02.03-0.490.044.39-9.70.044.880.520.039.99-8.970.049.28-1.220.0
20Q1 (2)1.853.930.02.04-17.070.049.16-4.040.044.6520.680.043.938.470.049.894.530.0
19Q4 (1)1.780.00.02.460.00.051.230.00.037.000.00.040.500.00.047.730.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)8.05-14.819.1311.6145.3317.3139.98-10.438.60-11.3546.7117.6
2022 (9)9.453.058.180.6238.64-2.8944.62-0.6743.54-1.4739.72-1.97
2021 (8)9.1712.658.13-5.1339.79-11.244.925.4744.195.5740.52-11.02
2020 (7)8.1413.218.57-0.4644.81-11.7442.590.541.86-6.2345.54-6.14
2019 (6)7.192.428.61-1.7150.77-2.2942.381.744.6416.0448.52-12.04
2018 (5)7.02-16.138.7626.4151.9619.1741.67-20.8238.476.8655.16-8.42
2017 (4)8.37-21.486.9310.743.6027.352.63-9.7936.00-2.5760.238.27
2016 (3)10.66-8.026.26-4.4334.258.7358.344.6536.9511.6355.632.73
2015 (2)11.5917.316.55-16.1331.50-14.7755.7519.2833.10-1.1154.157.8
2014 (1)9.885.117.81-12.9336.96-4.8446.7414.8133.472.8350.236.9

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