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)1.24-4.62-1.592.0123.3153.4473.435.041.6345.24-19.07-35.0297.37-1.66-3.421.29-20.56-48.16
24Q2 (19)1.3011.11-7.141.6325.3835.8369.91-10.117.4455.90-20.43-26.0399.01-9.310.9626.80-31.03-47.87
24Q1 (18)1.172.63-6.41.304.8439.7877.77-2.527.1770.25-4.25-28.43109.16-3.715.9238.86-2.34-42.57
23Q4 (17)1.14-9.522.71.24-5.3433.3379.7810.42-2.4973.375.39-24.74113.3612.463.4139.79-3.12-42.9
23Q3 (16)1.26-10.0-16.01.319.1720.1872.2511.0319.2469.62-7.87-16.89100.8012.977.1541.07-20.11-18.35
23Q2 (15)1.4012.02.191.2029.0341.1865.07-10.33-2.3475.57-23.01-29.1989.23-13.42-28.3551.41-24.035.35
23Q1 (14)1.2512.6117.920.930.0-8.8272.57-11.31-15.5398.150.6810.39103.06-5.98-15.4867.67-2.927.97
22Q4 (13)1.11-26.0-5.130.93-14.68-32.1281.8235.045.5397.4916.3846.56109.6216.5319.7169.6938.5532.77
22Q3 (12)1.509.4927.121.0928.24-9.1760.59-9.06-21.483.77-21.510.3894.07-24.47-5.9750.303.07-4.99
22Q2 (11)1.3729.259.60.85-16.67-26.0966.63-22.44-8.16106.7220.0335.07124.542.1316.048.80-7.7210.41
22Q1 (10)1.06-9.4-9.41.02-25.55-10.5385.9110.8110.2888.9133.6611.39121.9433.17-0.6752.880.7451.22
21Q4 (9)1.17-0.85-2.51.3714.17-6.877.530.572.1666.52-12.357.5791.57-8.47-16.0252.49-0.8582.96
21Q3 (8)1.18-5.6-3.281.204.35-21.5777.096.263.2175.89-3.9527.7100.04-6.82-1.9652.9419.7764.97
21Q2 (7)1.256.84-16.111.150.88-25.8172.55-6.8718.6479.01-1.0134.88107.36-12.5421.7244.2026.3940.18
21Q1 (6)1.17-2.531.461.14-22.456.5477.902.65-24.2479.8229.08-5.82122.7612.58-12.0934.9721.89-27.04
20Q4 (5)1.20-1.6418.811.47-3.92-18.3375.891.61-15.8861.844.0622.19109.046.864.1728.69-10.6-20.64
20Q3 (4)1.22-18.120.01.53-1.290.074.6922.140.059.431.450.0102.0415.690.032.091.780.0
20Q2 (3)1.4967.420.01.5544.860.061.15-40.530.058.58-30.880.088.20-36.840.031.53-34.220.0
20Q1 (2)0.89-11.880.01.07-40.560.0102.8213.970.084.7567.460.0139.6433.40.047.9332.590.0
19Q4 (1)1.010.00.01.800.00.090.220.00.050.610.00.0104.680.00.036.150.00.0
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)5.4018.164.897.067.63-15.3774.64-6.5892.82-7.4149.45-16.97
2022 (9)4.57-4.394.57-22.0179.914.6579.9028.37100.250.5359.5653.19
2021 (8)4.78-2.255.86-9.0176.362.3662.249.8799.72-6.3238.8856.84
2020 (7)4.899.156.44-7.674.60-8.5156.658.11106.4515.5824.79-40.75
2019 (6)4.48-6.476.97-0.1481.546.9152.400.2592.1019.8341.84-19.04
2018 (5)4.79-9.626.98-14.0476.2710.6652.2716.2876.861.0851.6836.58
2017 (4)5.306.648.12-5.4768.92-6.1344.955.7476.042.2237.84-8.91
2016 (3)4.97-4.798.599.7173.424.9642.51-8.8474.3922.5141.54-25.64
2015 (2)5.2231.827.8348.5869.95-24.0846.63-32.6360.72-24.3255.86-31.13
2014 (1)3.96-7.915.27-0.7592.148.5869.210.6880.2324.081.11-8.76

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