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)1.30-2.990.782.157.50.9470.043.44-0.7242.39-7.04-0.6320.41-10.4-8.8492.021.651.32
24Q2 (19)1.34-2.19-4.292.009.892.5667.712.034.4645.60-8.62-2.4822.78-6.940.9890.53-1.351.7
24Q1 (18)1.3720.18-0.721.822.2518.9566.36-17.080.949.90-2.65-16.2324.48-2.045.291.77-13.66-10.1
23Q4 (17)1.14-11.630.01.78-16.4329.9380.0313.440.4351.2620.16-22.824.9911.61-3.7106.2917.03-11.53
23Q3 (16)1.29-7.86-6.522.139.2320.3470.558.846.9942.66-8.77-16.9222.39-0.753.0490.822.02-4.96
23Q2 (15)1.401.450.721.9527.4524.264.82-1.44-0.6646.76-21.5-19.2522.56-3.05-5.2189.02-12.79-10.4
23Q1 (14)1.3821.05-2.131.5311.688.5165.77-17.471.5659.57-10.29-7.7123.27-10.33-4.98102.08-15.03-2.61
22Q4 (13)1.14-17.39-8.81.37-22.60.7479.6920.859.1866.4029.31-0.4625.9519.42-0.8120.1425.725.81
22Q3 (12)1.38-0.7210.41.7712.749.2665.941.06-9.0751.35-11.33-8.5321.73-8.7-14.9295.56-3.81-7.33
22Q2 (11)1.39-1.420.721.5711.35-12.7865.250.76-1.2957.91-10.2914.4723.80-2.821.9399.35-5.226.44
22Q1 (10)1.4112.8-4.731.413.68-16.5764.76-11.285.6664.55-3.2420.024.49-6.3814.65104.82-7.6811.84
21Q4 (9)1.250.010.621.36-16.05-4.972.990.65-9.0766.7118.834.6426.162.43-3.58113.5410.1-2.87
21Q3 (8)1.25-9.42-8.761.62-10.0-8.4772.529.718.7956.1410.979.1225.549.3810.9103.1210.488.44
21Q2 (7)1.38-6.76-2.131.806.518.4366.107.852.1550.59-5.95-7.5823.359.32-1.8993.34-0.41-2.42
21Q1 (6)1.4830.9713.851.6918.1817.3661.29-23.65-12.2753.79-15.62-14.721.36-21.27-22.2793.72-19.82-11.12
20Q4 (5)1.13-17.520.891.43-19.21-5.380.2720.42-0.9763.7523.915.5627.1317.8-3.93116.8922.933.25
20Q3 (4)1.37-2.840.01.776.630.066.663.010.051.45-6.010.023.03-3.240.095.09-0.590.0
20Q2 (3)1.418.460.01.6615.280.064.71-7.370.054.74-13.190.023.80-13.390.095.65-9.290.0
20Q1 (2)1.3016.070.01.44-4.640.069.86-13.820.063.064.420.027.48-2.690.0105.45-6.850.0
19Q4 (1)1.120.00.01.510.00.081.060.00.060.390.00.028.240.00.0113.210.00.0
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)6.22-0.966.9112.5458.660.9152.82-11.222.081.7589.40-6.78
2022 (9)6.28-0.636.14-1.4458.130.7359.481.5221.702.3195.900.85
2021 (8)6.323.786.23-2.3557.71-3.7258.592.3421.21-3.9495.09-0.03
2020 (7)6.09-6.886.38-7.5459.947.457.258.1822.080.1495.129.74
2019 (6)6.54-1.066.902.0755.811.0352.92-1.9622.050.0586.68-0.57
2018 (5)6.61-1.786.76-2.8755.241.9253.982.8622.04-1.387.183.36
2017 (4)6.731.056.96-7.254.20-1.0952.487.8522.338.2484.351.84
2016 (3)6.66-2.357.503.7354.802.4548.66-3.6220.636.9582.83-2.2
2015 (2)6.82-12.237.232.1253.4913.9350.49-2.1119.29-2.5384.697.57
2014 (1)7.77-3.67.08-5.3546.953.6451.585.6819.79-4.4978.737.29

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